Home / 2,318,938.27-3,478,645.74-802,618.72

Finding the Fourth Proportional to 2,318,938.27, 3,478,645.74 and 802,618.72

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Solution

The fourth proportional to 2,318,938.27, 3,478,645.74 and 802,618.72 is: 1,204,010.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318,938.27 : 3,478,645.74 = 802,618.72 : x
  2. Step 2: Convert to fraction form
    2,318,938.27/3,478,645.74 = 802,618.72/x
  3. Step 3: Cross multiply
    2,318,938.27x = 3,478,645.74 × 802,618.72
  4. Step 4: Simplify right side
    2,318,938.27x = 2,792,026,191,172.25
  5. Step 5: Solve for x
    x = 2,792,026,191,172.25/2,318,938.27
  6. Step 6: Final answer
    x = 1,204,010.57

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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.