Home / 2,321,335.40-3,482,003.10-638,438.90

Finding the Fourth Proportional to 2,321,335.40, 3,482,003.10 and 638,438.90

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Solution

The fourth proportional to 2,321,335.40, 3,482,003.10 and 638,438.90 is: 957,658.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321,335.40 : 3,482,003.10 = 638,438.90 : x
  2. Step 2: Convert to fraction form
    2,321,335.40/3,482,003.10 = 638,438.90/x
  3. Step 3: Cross multiply
    2,321,335.40x = 3,482,003.10 × 638,438.90
  4. Step 4: Simplify right side
    2,321,335.40x = 2,223,046,228,960.59
  5. Step 5: Solve for x
    x = 2,223,046,228,960.59/2,321,335.40
  6. Step 6: Final answer
    x = 957,658.35

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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.