Home / 5,115,478.38-7,059,419.19-2,823,641.34

Finding the Fourth Proportional to 5,115,478.38, 7,059,419.19 and 2,823,641.34

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Solution

The fourth proportional to 5,115,478.38, 7,059,419.19 and 2,823,641.34 is: 3,896,657.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,115,478.38 : 7,059,419.19 = 2,823,641.34 : x
  2. Step 2: Convert to fraction form
    5,115,478.38/7,059,419.19 = 2,823,641.34/x
  3. Step 3: Cross multiply
    5,115,478.38x = 7,059,419.19 × 2,823,641.34
  4. Step 4: Simplify right side
    5,115,478.38x = 19,933,267,861,273.32
  5. Step 5: Solve for x
    x = 19,933,267,861,273.32/5,115,478.38
  6. Step 6: Final answer
    x = 3,896,657.63

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.