Home / 3,938,724.70-5,908,087.05-3,371,854.30

Finding the Fourth Proportional to 3,938,724.70, 5,908,087.05 and 3,371,854.30

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Solution

The fourth proportional to 3,938,724.70, 5,908,087.05 and 3,371,854.30 is: 5,057,781.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,724.70 : 5,908,087.05 = 3,371,854.30 : x
  2. Step 2: Convert to fraction form
    3,938,724.70/5,908,087.05 = 3,371,854.30/x
  3. Step 3: Cross multiply
    3,938,724.70x = 5,908,087.05 × 3,371,854.30
  4. Step 4: Simplify right side
    3,938,724.70x = 19,921,208,724,316.81
  5. Step 5: Solve for x
    x = 19,921,208,724,316.81/3,938,724.70
  6. Step 6: Final answer
    x = 5,057,781.45

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Double scale
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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.