Home / 1,557,399.45-2,332,162.58-1,242,471.45

Finding the Fourth Proportional to 1,557,399.45, 2,332,162.58 and 1,242,471.45

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Solution

The fourth proportional to 1,557,399.45, 2,332,162.58 and 1,242,471.45 is: 1,860,566.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,399.45 : 2,332,162.58 = 1,242,471.45 : x
  2. Step 2: Convert to fraction form
    1,557,399.45/2,332,162.58 = 1,242,471.45/x
  3. Step 3: Cross multiply
    1,557,399.45x = 2,332,162.58 × 1,242,471.45
  4. Step 4: Simplify right side
    1,557,399.45x = 2,897,645,416,195.98
  5. Step 5: Solve for x
    x = 2,897,645,416,195.98/1,557,399.45
  6. Step 6: Final answer
    x = 1,860,566.61

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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.