Home / 3,129,882.94-4,319,619.88-1,840,661.02

Finding the Fourth Proportional to 3,129,882.94, 4,319,619.88 and 1,840,661.02

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Solution

The fourth proportional to 3,129,882.94, 4,319,619.88 and 1,840,661.02 is: 2,540,336.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,882.94 : 4,319,619.88 = 1,840,661.02 : x
  2. Step 2: Convert to fraction form
    3,129,882.94/4,319,619.88 = 1,840,661.02/x
  3. Step 3: Cross multiply
    3,129,882.94x = 4,319,619.88 × 1,840,661.02
  4. Step 4: Simplify right side
    3,129,882.94x = 7,950,955,934,333.08
  5. Step 5: Solve for x
    x = 7,950,955,934,333.08/3,129,882.94
  6. Step 6: Final answer
    x = 2,540,336.52

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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.