Home / 3,128,440.73-4,317,248.21-1,697,656.73

Finding the Fourth Proportional to 3,128,440.73, 4,317,248.21 and 1,697,656.73

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Solution

The fourth proportional to 3,128,440.73, 4,317,248.21 and 1,697,656.73 is: 2,342,766.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,440.73 : 4,317,248.21 = 1,697,656.73 : x
  2. Step 2: Convert to fraction form
    3,128,440.73/4,317,248.21 = 1,697,656.73/x
  3. Step 3: Cross multiply
    3,128,440.73x = 4,317,248.21 × 1,697,656.73
  4. Step 4: Simplify right side
    3,128,440.73x = 7,329,205,505,102.16
  5. Step 5: Solve for x
    x = 7,329,205,505,102.16/3,128,440.73
  6. Step 6: Final answer
    x = 2,342,766.29

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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.