Home / 2,989,661-4,125,731.10-1,631,534

Finding the Fourth Proportional to 2,989,661, 4,125,731.10 and 1,631,534

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Solution

The fourth proportional to 2,989,661, 4,125,731.10 and 1,631,534 is: 2,251,516.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,661 : 4,125,731.10 = 1,631,534 : x
  2. Step 2: Convert to fraction form
    2,989,661/4,125,731.10 = 1,631,534/x
  3. Step 3: Cross multiply
    2,989,661x = 4,125,731.10 × 1,631,534
  4. Step 4: Simplify right side
    2,989,661x = 6,731,270,556,349.73
  5. Step 5: Solve for x
    x = 6,731,270,556,349.73/2,989,661
  6. Step 6: Final answer
    x = 2,251,516.33

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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.