Home / 3,671,354.40-5,505,140.72-1,647,863.62

Finding the Fourth Proportional to 3,671,354.40, 5,505,140.72 and 1,647,863.62

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Solution

The fourth proportional to 3,671,354.40, 5,505,140.72 and 1,647,863.62 is: 2,470,946.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671,354.40 : 5,505,140.72 = 1,647,863.62 : x
  2. Step 2: Convert to fraction form
    3,671,354.40/5,505,140.72 = 1,647,863.62/x
  3. Step 3: Cross multiply
    3,671,354.40x = 5,505,140.72 × 1,647,863.62
  4. Step 4: Simplify right side
    3,671,354.40x = 9,071,721,115,468.61
  5. Step 5: Solve for x
    x = 9,071,721,115,468.61/3,671,354.40
  6. Step 6: Final answer
    x = 2,470,946.72

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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.