Home / 1,947,445.20-2,921,167.80-1,350,248.40

Finding the Fourth Proportional to 1,947,445.20, 2,921,167.80 and 1,350,248.40

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Solution

The fourth proportional to 1,947,445.20, 2,921,167.80 and 1,350,248.40 is: 2,025,372.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,445.20 : 2,921,167.80 = 1,350,248.40 : x
  2. Step 2: Convert to fraction form
    1,947,445.20/2,921,167.80 = 1,350,248.40/x
  3. Step 3: Cross multiply
    1,947,445.20x = 2,921,167.80 × 1,350,248.40
  4. Step 4: Simplify right side
    1,947,445.20x = 3,944,302,148,081.52
  5. Step 5: Solve for x
    x = 3,944,302,148,081.52/1,947,445.20
  6. Step 6: Final answer
    x = 2,025,372.60

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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.