Home / 5,195,938.20-7,772,912.10-4,493,765.40

Finding the Fourth Proportional to 5,195,938.20, 7,772,912.10 and 4,493,765.40

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Solution

The fourth proportional to 5,195,938.20, 7,772,912.10 and 4,493,765.40 is: 6,722,490.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195,938.20 : 7,772,912.10 = 4,493,765.40 : x
  2. Step 2: Convert to fraction form
    5,195,938.20/7,772,912.10 = 4,493,765.40/x
  3. Step 3: Cross multiply
    5,195,938.20x = 7,772,912.10 × 4,493,765.40
  4. Step 4: Simplify right side
    5,195,938.20x = 34,929,643,452,221.34
  5. Step 5: Solve for x
    x = 34,929,643,452,221.34/5,195,938.20
  6. Step 6: Final answer
    x = 6,722,490.17

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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.