Home / 1,887,882.56-2,605,212.24-1,028,420.72

Finding the Fourth Proportional to 1,887,882.56, 2,605,212.24 and 1,028,420.72

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Solution

The fourth proportional to 1,887,882.56, 2,605,212.24 and 1,028,420.72 is: 1,419,184.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,882.56 : 2,605,212.24 = 1,028,420.72 : x
  2. Step 2: Convert to fraction form
    1,887,882.56/2,605,212.24 = 1,028,420.72/x
  3. Step 3: Cross multiply
    1,887,882.56x = 2,605,212.24 × 1,028,420.72
  4. Step 4: Simplify right side
    1,887,882.56x = 2,679,254,247,613.61
  5. Step 5: Solve for x
    x = 2,679,254,247,613.61/1,887,882.56
  6. Step 6: Final answer
    x = 1,419,184.81

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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.