Home / 4,146,720.30-6,220,080.45-3,438,132.30

Finding the Fourth Proportional to 4,146,720.30, 6,220,080.45 and 3,438,132.30

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Solution

The fourth proportional to 4,146,720.30, 6,220,080.45 and 3,438,132.30 is: 5,157,198.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,146,720.30 : 6,220,080.45 = 3,438,132.30 : x
  2. Step 2: Convert to fraction form
    4,146,720.30/6,220,080.45 = 3,438,132.30/x
  3. Step 3: Cross multiply
    4,146,720.30x = 6,220,080.45 × 3,438,132.30
  4. Step 4: Simplify right side
    4,146,720.30x = 21,385,459,503,743.54
  5. Step 5: Solve for x
    x = 21,385,459,503,743.54/4,146,720.30
  6. Step 6: Final answer
    x = 5,157,198.45

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1.5x scale

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.