Home / 3,205,129.34-4,807,942.98-930,691.28

Finding the Fourth Proportional to 3,205,129.34, 4,807,942.98 and 930,691.28

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Solution

The fourth proportional to 3,205,129.34, 4,807,942.98 and 930,691.28 is: 1,396,109.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205,129.34 : 4,807,942.98 = 930,691.28 : x
  2. Step 2: Convert to fraction form
    3,205,129.34/4,807,942.98 = 930,691.28/x
  3. Step 3: Cross multiply
    3,205,129.34x = 4,807,942.98 × 930,691.28
  4. Step 4: Simplify right side
    3,205,129.34x = 4,474,710,606,223.22
  5. Step 5: Solve for x
    x = 4,474,710,606,223.22/3,205,129.34
  6. Step 6: Final answer
    x = 1,396,109.21

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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.