Home / 5,134,851.20-7,086,316.08-2,843,011.88

Finding the Fourth Proportional to 5,134,851.20, 7,086,316.08 and 2,843,011.88

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Solution

The fourth proportional to 5,134,851.20, 7,086,316.08 and 2,843,011.88 is: 3,923,478.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134,851.20 : 7,086,316.08 = 2,843,011.88 : x
  2. Step 2: Convert to fraction form
    5,134,851.20/7,086,316.08 = 2,843,011.88/x
  3. Step 3: Cross multiply
    5,134,851.20x = 7,086,316.08 × 2,843,011.88
  4. Step 4: Simplify right side
    5,134,851.20x = 20,146,480,765,443.45
  5. Step 5: Solve for x
    x = 20,146,480,765,443.45/5,134,851.20
  6. Step 6: Final answer
    x = 3,923,478.99

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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.