Home / 1,803,839.49-2,489,268.65-988,035.57

Finding the Fourth Proportional to 1,803,839.49, 2,489,268.65 and 988,035.57

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Solution

The fourth proportional to 1,803,839.49, 2,489,268.65 and 988,035.57 is: 1,363,472.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803,839.49 : 2,489,268.65 = 988,035.57 : x
  2. Step 2: Convert to fraction form
    1,803,839.49/2,489,268.65 = 988,035.57/x
  3. Step 3: Cross multiply
    1,803,839.49x = 2,489,268.65 × 988,035.57
  4. Step 4: Simplify right side
    1,803,839.49x = 2,459,485,964,545.70
  5. Step 5: Solve for x
    x = 2,459,485,964,545.70/1,803,839.49
  6. Step 6: Final answer
    x = 1,363,472.74

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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.