Home / 2,126,439.45-3,190,277.00-687,092.74

Finding the Fourth Proportional to 2,126,439.45, 3,190,277.00 and 687,092.74

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Solution

The fourth proportional to 2,126,439.45, 3,190,277.00 and 687,092.74 is: 1,030,838.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,439.45 : 3,190,277.00 = 687,092.74 : x
  2. Step 2: Convert to fraction form
    2,126,439.45/3,190,277.00 = 687,092.74/x
  3. Step 3: Cross multiply
    2,126,439.45x = 3,190,277.00 × 687,092.74
  4. Step 4: Simplify right side
    2,126,439.45x = 2,192,016,159,031.02
  5. Step 5: Solve for x
    x = 2,192,016,159,031.02/2,126,439.45
  6. Step 6: Final answer
    x = 1,030,838.74

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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.