Home / 2,125,175.28-2,932,743-1,207,406.04

Finding the Fourth Proportional to 2,125,175.28, 2,932,743 and 1,207,406.04

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Solution

The fourth proportional to 2,125,175.28, 2,932,743 and 1,207,406.04 is: 1,666,220.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,175.28 : 2,932,743 = 1,207,406.04 : x
  2. Step 2: Convert to fraction form
    2,125,175.28/2,932,743 = 1,207,406.04/x
  3. Step 3: Cross multiply
    2,125,175.28x = 2,932,743 × 1,207,406.04
  4. Step 4: Simplify right side
    2,125,175.28x = 3,541,011,611,967.72
  5. Step 5: Solve for x
    x = 3,541,011,611,967.72/2,125,175.28
  6. Step 6: Final answer
    x = 1,666,220.97

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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.