Home / 2,143,562.60-3,216,326.16-929,511.56

Finding the Fourth Proportional to 2,143,562.60, 3,216,326.16 and 929,511.56

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Solution

The fourth proportional to 2,143,562.60, 3,216,326.16 and 929,511.56 is: 1,394,693.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143,562.60 : 3,216,326.16 = 929,511.56 : x
  2. Step 2: Convert to fraction form
    2,143,562.60/3,216,326.16 = 929,511.56/x
  3. Step 3: Cross multiply
    2,143,562.60x = 3,216,326.16 × 929,511.56
  4. Step 4: Simplify right side
    2,143,562.60x = 2,989,612,346,450.41
  5. Step 5: Solve for x
    x = 2,989,612,346,450.41/2,143,562.60
  6. Step 6: Final answer
    x = 1,394,693.28

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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.