Home / 1,617,279.60-2,422,711.80-1,417,825.20

Finding the Fourth Proportional to 1,617,279.60, 2,422,711.80 and 1,417,825.20

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Solution

The fourth proportional to 1,617,279.60, 2,422,711.80 and 1,417,825.20 is: 2,123,925.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,279.60 : 2,422,711.80 = 1,417,825.20 : x
  2. Step 2: Convert to fraction form
    1,617,279.60/2,422,711.80 = 1,417,825.20/x
  3. Step 3: Cross multiply
    1,617,279.60x = 2,422,711.80 × 1,417,825.20
  4. Step 4: Simplify right side
    1,617,279.60x = 3,434,981,842,377.36
  5. Step 5: Solve for x
    x = 3,434,981,842,377.36/1,617,279.60
  6. Step 6: Final answer
    x = 2,123,925.78

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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.