Home / 2,631,675.78-3,947,654.61-834,695.64

Finding the Fourth Proportional to 2,631,675.78, 3,947,654.61 and 834,695.64

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Solution

The fourth proportional to 2,631,675.78, 3,947,654.61 and 834,695.64 is: 1,252,088.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631,675.78 : 3,947,654.61 = 834,695.64 : x
  2. Step 2: Convert to fraction form
    2,631,675.78/3,947,654.61 = 834,695.64/x
  3. Step 3: Cross multiply
    2,631,675.78x = 3,947,654.61 × 834,695.64
  4. Step 4: Simplify right side
    2,631,675.78x = 3,295,090,091,192.90
  5. Step 5: Solve for x
    x = 3,295,090,091,192.90/2,631,675.78
  6. Step 6: Final answer
    x = 1,252,088.16

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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.