Home / 2,687,997.60-4,031,996.40-1,736,215.20

Finding the Fourth Proportional to 2,687,997.60, 4,031,996.40 and 1,736,215.20

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Solution

The fourth proportional to 2,687,997.60, 4,031,996.40 and 1,736,215.20 is: 2,604,322.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687,997.60 : 4,031,996.40 = 1,736,215.20 : x
  2. Step 2: Convert to fraction form
    2,687,997.60/4,031,996.40 = 1,736,215.20/x
  3. Step 3: Cross multiply
    2,687,997.60x = 4,031,996.40 × 1,736,215.20
  4. Step 4: Simplify right side
    2,687,997.60x = 7,000,413,436,025.28
  5. Step 5: Solve for x
    x = 7,000,413,436,025.28/2,687,997.60
  6. Step 6: Final answer
    x = 2,604,322.80

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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.