Home / 1,931,324.20-2,897,375.10-668,890.60

Finding the Fourth Proportional to 1,931,324.20, 2,897,375.10 and 668,890.60

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Solution

The fourth proportional to 1,931,324.20, 2,897,375.10 and 668,890.60 is: 1,003,470.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,324.20 : 2,897,375.10 = 668,890.60 : x
  2. Step 2: Convert to fraction form
    1,931,324.20/2,897,375.10 = 668,890.60/x
  3. Step 3: Cross multiply
    1,931,324.20x = 2,897,375.10 × 668,890.60
  4. Step 4: Simplify right side
    1,931,324.20x = 1,938,026,969,064.06
  5. Step 5: Solve for x
    x = 1,938,026,969,064.06/1,931,324.20
  6. Step 6: Final answer
    x = 1,003,470.56

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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.