Home / 1,438,502.20-2,153,951.70-1,152,863.80

Finding the Fourth Proportional to 1,438,502.20, 2,153,951.70 and 1,152,863.80

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Solution

The fourth proportional to 1,438,502.20, 2,153,951.70 and 1,152,863.80 is: 1,726,248.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,502.20 : 2,153,951.70 = 1,152,863.80 : x
  2. Step 2: Convert to fraction form
    1,438,502.20/2,153,951.70 = 1,152,863.80/x
  3. Step 3: Cross multiply
    1,438,502.20x = 2,153,951.70 × 1,152,863.80
  4. Step 4: Simplify right side
    1,438,502.20x = 2,483,212,941,878.46
  5. Step 5: Solve for x
    x = 2,483,212,941,878.46/1,438,502.20
  6. Step 6: Final answer
    x = 1,726,248.97

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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.