Home / 2,124,658.62-2,931,990.75-1,157,796.78

Finding the Fourth Proportional to 2,124,658.62, 2,931,990.75 and 1,157,796.78

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Solution

The fourth proportional to 2,124,658.62, 2,931,990.75 and 1,157,796.78 is: 1,597,738.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124,658.62 : 2,931,990.75 = 1,157,796.78 : x
  2. Step 2: Convert to fraction form
    2,124,658.62/2,931,990.75 = 1,157,796.78/x
  3. Step 3: Cross multiply
    2,124,658.62x = 2,931,990.75 × 1,157,796.78
  4. Step 4: Simplify right side
    2,124,658.62x = 3,394,649,449,339.79
  5. Step 5: Solve for x
    x = 3,394,649,449,339.79/2,124,658.62
  6. Step 6: Final answer
    x = 1,597,738.77

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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.