Home / 2,132,521.65-3,198,947.72-712,582.74

Finding the Fourth Proportional to 2,132,521.65, 3,198,947.72 and 712,582.74

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Solution

The fourth proportional to 2,132,521.65, 3,198,947.72 and 712,582.74 is: 1,068,929.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132,521.65 : 3,198,947.72 = 712,582.74 : x
  2. Step 2: Convert to fraction form
    2,132,521.65/3,198,947.72 = 712,582.74/x
  3. Step 3: Cross multiply
    2,132,521.65x = 3,198,947.72 × 712,582.74
  4. Step 4: Simplify right side
    2,132,521.65x = 2,279,514,927,871.44
  5. Step 5: Solve for x
    x = 2,279,514,927,871.44/2,132,521.65
  6. Step 6: Final answer
    x = 1,068,929.32

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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.