Home / 2,260,635.92-3,119,681.28-1,228,147.76

Finding the Fourth Proportional to 2,260,635.92, 3,119,681.28 and 1,228,147.76

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Solution

The fourth proportional to 2,260,635.92, 3,119,681.28 and 1,228,147.76 is: 1,694,845.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260,635.92 : 3,119,681.28 = 1,228,147.76 : x
  2. Step 2: Convert to fraction form
    2,260,635.92/3,119,681.28 = 1,228,147.76/x
  3. Step 3: Cross multiply
    2,260,635.92x = 3,119,681.28 × 1,228,147.76
  4. Step 4: Simplify right side
    2,260,635.92x = 3,831,429,575,945.93
  5. Step 5: Solve for x
    x = 3,831,429,575,945.93/2,260,635.92
  6. Step 6: Final answer
    x = 1,694,845.92

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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.