Home / 2,265,129.15-3,125,876.40-1,246,533.90

Finding the Fourth Proportional to 2,265,129.15, 3,125,876.40 and 1,246,533.90

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Solution

The fourth proportional to 2,265,129.15, 3,125,876.40 and 1,246,533.90 is: 1,720,215.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265,129.15 : 3,125,876.40 = 1,246,533.90 : x
  2. Step 2: Convert to fraction form
    2,265,129.15/3,125,876.40 = 1,246,533.90/x
  3. Step 3: Cross multiply
    2,265,129.15x = 3,125,876.40 × 1,246,533.90
  4. Step 4: Simplify right side
    2,265,129.15x = 3,896,510,899,809.96
  5. Step 5: Solve for x
    x = 3,896,510,899,809.96/2,265,129.15
  6. Step 6: Final answer
    x = 1,720,215.78

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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.