Home / 3,039,978.39-4,195,139.07-1,681,861.11

Finding the Fourth Proportional to 3,039,978.39, 4,195,139.07 and 1,681,861.11

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Solution

The fourth proportional to 3,039,978.39, 4,195,139.07 and 1,681,861.11 is: 2,320,951.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039,978.39 : 4,195,139.07 = 1,681,861.11 : x
  2. Step 2: Convert to fraction form
    3,039,978.39/4,195,139.07 = 1,681,861.11/x
  3. Step 3: Cross multiply
    3,039,978.39x = 4,195,139.07 × 1,681,861.11
  4. Step 4: Simplify right side
    3,039,978.39x = 7,055,641,274,913.32
  5. Step 5: Solve for x
    x = 7,055,641,274,913.32/3,039,978.39
  6. Step 6: Final answer
    x = 2,320,951.13

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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.