Home / 5,190,688.20-7,786,032.30-2,951,200.20

Finding the Fourth Proportional to 5,190,688.20, 7,786,032.30 and 2,951,200.20

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Solution

The fourth proportional to 5,190,688.20, 7,786,032.30 and 2,951,200.20 is: 4,426,800.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190,688.20 : 7,786,032.30 = 2,951,200.20 : x
  2. Step 2: Convert to fraction form
    5,190,688.20/7,786,032.30 = 2,951,200.20/x
  3. Step 3: Cross multiply
    5,190,688.20x = 7,786,032.30 × 2,951,200.20
  4. Step 4: Simplify right side
    5,190,688.20x = 22,978,140,080,966.46
  5. Step 5: Solve for x
    x = 22,978,140,080,966.46/5,190,688.20
  6. Step 6: Final answer
    x = 4,426,800.30

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Similar ratio
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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.