Home / 2,890,719.20-4,331,575.20-1,092,621.80

Finding the Fourth Proportional to 2,890,719.20, 4,331,575.20 and 1,092,621.80

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Solution

The fourth proportional to 2,890,719.20, 4,331,575.20 and 1,092,621.80 is: 1,637,230.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890,719.20 : 4,331,575.20 = 1,092,621.80 : x
  2. Step 2: Convert to fraction form
    2,890,719.20/4,331,575.20 = 1,092,621.80/x
  3. Step 3: Cross multiply
    2,890,719.20x = 4,331,575.20 × 1,092,621.80
  4. Step 4: Simplify right side
    2,890,719.20x = 4,732,773,491,859.36
  5. Step 5: Solve for x
    x = 4,732,773,491,859.36/2,890,719.20
  6. Step 6: Final answer
    x = 1,637,230.45

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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.