Home / 4,245,490.72-6,368,221.68-1,721,140

Finding the Fourth Proportional to 4,245,490.72, 6,368,221.68 and 1,721,140

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Solution

The fourth proportional to 4,245,490.72, 6,368,221.68 and 1,721,140 is: 2,581,704.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,245,490.72 : 6,368,221.68 = 1,721,140 : x
  2. Step 2: Convert to fraction form
    4,245,490.72/6,368,221.68 = 1,721,140/x
  3. Step 3: Cross multiply
    4,245,490.72x = 6,368,221.68 × 1,721,140
  4. Step 4: Simplify right side
    4,245,490.72x = 10,960,601,062,315.20
  5. Step 5: Solve for x
    x = 10,960,601,062,315.20/4,245,490.72
  6. Step 6: Final answer
    x = 2,581,704.16

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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.