Home / 1,581,424.20-2,181,474.09-1,000,467

Finding the Fourth Proportional to 1,581,424.20, 2,181,474.09 and 1,000,467

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Solution

The fourth proportional to 1,581,424.20, 2,181,474.09 and 1,000,467 is: 1,380,080.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,424.20 : 2,181,474.09 = 1,000,467 : x
  2. Step 2: Convert to fraction form
    1,581,424.20/2,181,474.09 = 1,000,467/x
  3. Step 3: Cross multiply
    1,581,424.20x = 2,181,474.09 × 1,000,467
  4. Step 4: Simplify right side
    1,581,424.20x = 2,182,492,838,400.03
  5. Step 5: Solve for x
    x = 2,182,492,838,400.03/1,581,424.20
  6. Step 6: Final answer
    x = 1,380,080.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.