Home / 2,666,958.60-4,000,437.90-672,414.60

Finding the Fourth Proportional to 2,666,958.60, 4,000,437.90 and 672,414.60

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Solution

The fourth proportional to 2,666,958.60, 4,000,437.90 and 672,414.60 is: 1,008,621.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,958.60 : 4,000,437.90 = 672,414.60 : x
  2. Step 2: Convert to fraction form
    2,666,958.60/4,000,437.90 = 672,414.60/x
  3. Step 3: Cross multiply
    2,666,958.60x = 4,000,437.90 × 672,414.60
  4. Step 4: Simplify right side
    2,666,958.60x = 2,689,952,850,353.34
  5. Step 5: Solve for x
    x = 2,689,952,850,353.34/2,666,958.60
  6. Step 6: Final answer
    x = 1,008,621.90

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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.