Home / 2,197,932.45-3,033,240.87-1,280,013.45

Finding the Fourth Proportional to 2,197,932.45, 3,033,240.87 and 1,280,013.45

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Solution

The fourth proportional to 2,197,932.45, 3,033,240.87 and 1,280,013.45 is: 1,766,473.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197,932.45 : 3,033,240.87 = 1,280,013.45 : x
  2. Step 2: Convert to fraction form
    2,197,932.45/3,033,240.87 = 1,280,013.45/x
  3. Step 3: Cross multiply
    2,197,932.45x = 3,033,240.87 × 1,280,013.45
  4. Step 4: Simplify right side
    2,197,932.45x = 3,882,589,110,689.70
  5. Step 5: Solve for x
    x = 3,882,589,110,689.70/2,197,932.45
  6. Step 6: Final answer
    x = 1,766,473.36

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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.