Home / 6,142,806.40-9,214,209.60-2,947,388.80

Finding the Fourth Proportional to 6,142,806.40, 9,214,209.60 and 2,947,388.80

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Solution

The fourth proportional to 6,142,806.40, 9,214,209.60 and 2,947,388.80 is: 4,421,083.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,142,806.40 : 9,214,209.60 = 2,947,388.80 : x
  2. Step 2: Convert to fraction form
    6,142,806.40/9,214,209.60 = 2,947,388.80/x
  3. Step 3: Cross multiply
    6,142,806.40x = 9,214,209.60 × 2,947,388.80
  4. Step 4: Simplify right side
    6,142,806.40x = 27,157,858,175,892.48
  5. Step 5: Solve for x
    x = 27,157,858,175,892.48/6,142,806.40
  6. Step 6: Final answer
    x = 4,421,083.20

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Similar ratio
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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.