Home / 1,589,721.60-2,384,582.40-1,415,539.20

Finding the Fourth Proportional to 1,589,721.60, 2,384,582.40 and 1,415,539.20

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Solution

The fourth proportional to 1,589,721.60, 2,384,582.40 and 1,415,539.20 is: 2,123,308.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589,721.60 : 2,384,582.40 = 1,415,539.20 : x
  2. Step 2: Convert to fraction form
    1,589,721.60/2,384,582.40 = 1,415,539.20/x
  3. Step 3: Cross multiply
    1,589,721.60x = 2,384,582.40 × 1,415,539.20
  4. Step 4: Simplify right side
    1,589,721.60x = 3,375,469,862,830.08
  5. Step 5: Solve for x
    x = 3,375,469,862,830.08/1,589,721.60
  6. Step 6: Final answer
    x = 2,123,308.80

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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.