Home / 2,190,129.40-3,285,155.22-1,124,545.24

Finding the Fourth Proportional to 2,190,129.40, 3,285,155.22 and 1,124,545.24

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Solution

The fourth proportional to 2,190,129.40, 3,285,155.22 and 1,124,545.24 is: 1,686,797.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,129.40 : 3,285,155.22 = 1,124,545.24 : x
  2. Step 2: Convert to fraction form
    2,190,129.40/3,285,155.22 = 1,124,545.24/x
  3. Step 3: Cross multiply
    2,190,129.40x = 3,285,155.22 × 1,124,545.24
  4. Step 4: Simplify right side
    2,190,129.40x = 3,694,305,665,312.15
  5. Step 5: Solve for x
    x = 3,694,305,665,312.15/2,190,129.40
  6. Step 6: Final answer
    x = 1,686,797.90

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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.