Home / 2,912,008.80-4,367,235.60-890,248.80

Finding the Fourth Proportional to 2,912,008.80, 4,367,235.60 and 890,248.80

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Solution

The fourth proportional to 2,912,008.80, 4,367,235.60 and 890,248.80 is: 1,335,135.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,008.80 : 4,367,235.60 = 890,248.80 : x
  2. Step 2: Convert to fraction form
    2,912,008.80/4,367,235.60 = 890,248.80/x
  3. Step 3: Cross multiply
    2,912,008.80x = 4,367,235.60 × 890,248.80
  4. Step 4: Simplify right side
    2,912,008.80x = 3,887,926,252,217.28
  5. Step 5: Solve for x
    x = 3,887,926,252,217.28/2,912,008.80
  6. Step 6: Final answer
    x = 1,335,135.47

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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.