Home / 1,653,166.80-2,479,750.20-1,387,446.30

Finding the Fourth Proportional to 1,653,166.80, 2,479,750.20 and 1,387,446.30

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Solution

The fourth proportional to 1,653,166.80, 2,479,750.20 and 1,387,446.30 is: 2,081,169.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653,166.80 : 2,479,750.20 = 1,387,446.30 : x
  2. Step 2: Convert to fraction form
    1,653,166.80/2,479,750.20 = 1,387,446.30/x
  3. Step 3: Cross multiply
    1,653,166.80x = 2,479,750.20 × 1,387,446.30
  4. Step 4: Simplify right side
    1,653,166.80x = 3,440,520,239,914.26
  5. Step 5: Solve for x
    x = 3,440,520,239,914.26/1,653,166.80
  6. Step 6: Final answer
    x = 2,081,169.45

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Similar ratio
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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.