Home / 2,948,721.60-4,069,366.80-1,659,645.60

Finding the Fourth Proportional to 2,948,721.60, 4,069,366.80 and 1,659,645.60

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Solution

The fourth proportional to 2,948,721.60, 4,069,366.80 and 1,659,645.60 is: 2,290,384.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948,721.60 : 4,069,366.80 = 1,659,645.60 : x
  2. Step 2: Convert to fraction form
    2,948,721.60/4,069,366.80 = 1,659,645.60/x
  3. Step 3: Cross multiply
    2,948,721.60x = 4,069,366.80 × 1,659,645.60
  4. Step 4: Simplify right side
    2,948,721.60x = 6,753,706,704,406.08
  5. Step 5: Solve for x
    x = 6,753,706,704,406.08/2,948,721.60
  6. Step 6: Final answer
    x = 2,290,384.65

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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.