Home / 2,646,586.86-3,968,282.25-1,187,366.82

Finding the Fourth Proportional to 2,646,586.86, 3,968,282.25 and 1,187,366.82

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Solution

The fourth proportional to 2,646,586.86, 3,968,282.25 and 1,187,366.82 is: 1,780,333.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646,586.86 : 3,968,282.25 = 1,187,366.82 : x
  2. Step 2: Convert to fraction form
    2,646,586.86/3,968,282.25 = 1,187,366.82/x
  3. Step 3: Cross multiply
    2,646,586.86x = 3,968,282.25 × 1,187,366.82
  4. Step 4: Simplify right side
    2,646,586.86x = 4,711,806,676,044.95
  5. Step 5: Solve for x
    x = 4,711,806,676,044.95/2,646,586.86
  6. Step 6: Final answer
    x = 1,780,333.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.