Home / 1,941,883.92-2,678,702.40-1,215,470.52

Finding the Fourth Proportional to 1,941,883.92, 2,678,702.40 and 1,215,470.52

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Solution

The fourth proportional to 1,941,883.92, 2,678,702.40 and 1,215,470.52 is: 1,676,662.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,883.92 : 2,678,702.40 = 1,215,470.52 : x
  2. Step 2: Convert to fraction form
    1,941,883.92/2,678,702.40 = 1,215,470.52/x
  3. Step 3: Cross multiply
    1,941,883.92x = 2,678,702.40 × 1,215,470.52
  4. Step 4: Simplify right side
    1,941,883.92x = 3,255,883,799,053.25
  5. Step 5: Solve for x
    x = 3,255,883,799,053.25/1,941,883.92
  6. Step 6: Final answer
    x = 1,676,662.42

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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.