Home / 2,781,234.72-4,172,502.87-862,045.56

Finding the Fourth Proportional to 2,781,234.72, 4,172,502.87 and 862,045.56

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Solution

The fourth proportional to 2,781,234.72, 4,172,502.87 and 862,045.56 is: 1,293,270.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,781,234.72 : 4,172,502.87 = 862,045.56 : x
  2. Step 2: Convert to fraction form
    2,781,234.72/4,172,502.87 = 862,045.56/x
  3. Step 3: Cross multiply
    2,781,234.72x = 4,172,502.87 × 862,045.56
  4. Step 4: Simplify right side
    2,781,234.72x = 3,596,887,573,170.76
  5. Step 5: Solve for x
    x = 3,596,887,573,170.76/2,781,234.72
  6. Step 6: Final answer
    x = 1,293,270.05

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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.