Home / 5,394,811.32-7,445,354.40-2,947,794.12

Finding the Fourth Proportional to 5,394,811.32, 7,445,354.40 and 2,947,794.12

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Solution

The fourth proportional to 5,394,811.32, 7,445,354.40 and 2,947,794.12 is: 4,068,237.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,394,811.32 : 7,445,354.40 = 2,947,794.12 : x
  2. Step 2: Convert to fraction form
    5,394,811.32/7,445,354.40 = 2,947,794.12/x
  3. Step 3: Cross multiply
    5,394,811.32x = 7,445,354.40 × 2,947,794.12
  4. Step 4: Simplify right side
    5,394,811.32x = 21,947,371,921,636.13
  5. Step 5: Solve for x
    x = 21,947,371,921,636.13/5,394,811.32
  6. Step 6: Final answer
    x = 4,068,237.17

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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.