Home / 5,390,003.70-8,085,005.55-2,555,651.70

Finding the Fourth Proportional to 5,390,003.70, 8,085,005.55 and 2,555,651.70

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Solution

The fourth proportional to 5,390,003.70, 8,085,005.55 and 2,555,651.70 is: 3,833,477.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,003.70 : 8,085,005.55 = 2,555,651.70 : x
  2. Step 2: Convert to fraction form
    5,390,003.70/8,085,005.55 = 2,555,651.70/x
  3. Step 3: Cross multiply
    5,390,003.70x = 8,085,005.55 × 2,555,651.70
  4. Step 4: Simplify right side
    5,390,003.70x = 20,662,458,178,366.94
  5. Step 5: Solve for x
    x = 20,662,458,178,366.94/5,390,003.70
  6. Step 6: Final answer
    x = 3,833,477.55

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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.