Home / 5,172,327.41-7,138,372.43-2,849,457.95

Finding the Fourth Proportional to 5,172,327.41, 7,138,372.43 and 2,849,457.95

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Solution

The fourth proportional to 5,172,327.41, 7,138,372.43 and 2,849,457.95 is: 3,932,560.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172,327.41 : 7,138,372.43 = 2,849,457.95 : x
  2. Step 2: Convert to fraction form
    5,172,327.41/7,138,372.43 = 2,849,457.95/x
  3. Step 3: Cross multiply
    5,172,327.41x = 7,138,372.43 × 2,849,457.95
  4. Step 4: Simplify right side
    5,172,327.41x = 20,340,492,093,050.14
  5. Step 5: Solve for x
    x = 20,340,492,093,050.14/5,172,327.41
  6. Step 6: Final answer
    x = 3,932,560.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.