Home / 1,965,002.68-2,711,663.22-1,105,553.80

Finding the Fourth Proportional to 1,965,002.68, 2,711,663.22 and 1,105,553.80

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Solution

The fourth proportional to 1,965,002.68, 2,711,663.22 and 1,105,553.80 is: 1,525,641.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,002.68 : 2,711,663.22 = 1,105,553.80 : x
  2. Step 2: Convert to fraction form
    1,965,002.68/2,711,663.22 = 1,105,553.80/x
  3. Step 3: Cross multiply
    1,965,002.68x = 2,711,663.22 × 1,105,553.80
  4. Step 4: Simplify right side
    1,965,002.68x = 2,997,889,577,191.24
  5. Step 5: Solve for x
    x = 2,997,889,577,191.24/1,965,002.68
  6. Step 6: Final answer
    x = 1,525,641.47

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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.