Home / 2,171,339.65-2,996,138.38-1,299,965.55

Finding the Fourth Proportional to 2,171,339.65, 2,996,138.38 and 1,299,965.55

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Solution

The fourth proportional to 2,171,339.65, 2,996,138.38 and 1,299,965.55 is: 1,793,766.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,339.65 : 2,996,138.38 = 1,299,965.55 : x
  2. Step 2: Convert to fraction form
    2,171,339.65/2,996,138.38 = 1,299,965.55/x
  3. Step 3: Cross multiply
    2,171,339.65x = 2,996,138.38 × 1,299,965.55
  4. Step 4: Simplify right side
    2,171,339.65x = 3,894,876,677,032.81
  5. Step 5: Solve for x
    x = 3,894,876,677,032.81/2,171,339.65
  6. Step 6: Final answer
    x = 1,793,766.66

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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.