Home / 2,780,796.45-4,171,194.68-2,465,868.45

Finding the Fourth Proportional to 2,780,796.45, 4,171,194.68 and 2,465,868.45

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Solution

The fourth proportional to 2,780,796.45, 4,171,194.68 and 2,465,868.45 is: 3,698,802.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780,796.45 : 4,171,194.68 = 2,465,868.45 : x
  2. Step 2: Convert to fraction form
    2,780,796.45/4,171,194.68 = 2,465,868.45/x
  3. Step 3: Cross multiply
    2,780,796.45x = 4,171,194.68 × 2,465,868.45
  4. Step 4: Simplify right side
    2,780,796.45x = 10,285,617,347,890.50
  5. Step 5: Solve for x
    x = 10,285,617,347,890.50/2,780,796.45
  6. Step 6: Final answer
    x = 3,698,802.68

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.