Home / 2,780,816.94-4,166,319.63-2,435,406.21

Finding the Fourth Proportional to 2,780,816.94, 4,166,319.63 and 2,435,406.21

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Solution

The fourth proportional to 2,780,816.94, 4,166,319.63 and 2,435,406.21 is: 3,648,812.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780,816.94 : 4,166,319.63 = 2,435,406.21 : x
  2. Step 2: Convert to fraction form
    2,780,816.94/4,166,319.63 = 2,435,406.21/x
  3. Step 3: Cross multiply
    2,780,816.94x = 4,166,319.63 × 2,435,406.21
  4. Step 4: Simplify right side
    2,780,816.94x = 10,146,680,699,746.90
  5. Step 5: Solve for x
    x = 10,146,680,699,746.90/2,780,816.94
  6. Step 6: Final answer
    x = 3,648,812.89

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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.