Home / 2,818,531.47-4,227,760.32-688,634.04

Finding the Fourth Proportional to 2,818,531.47, 4,227,760.32 and 688,634.04

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Solution

The fourth proportional to 2,818,531.47, 4,227,760.32 and 688,634.04 is: 1,032,942.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818,531.47 : 4,227,760.32 = 688,634.04 : x
  2. Step 2: Convert to fraction form
    2,818,531.47/4,227,760.32 = 688,634.04/x
  3. Step 3: Cross multiply
    2,818,531.47x = 4,227,760.32 × 688,634.04
  4. Step 4: Simplify right side
    2,818,531.47x = 2,911,379,669,313.29
  5. Step 5: Solve for x
    x = 2,911,379,669,313.29/2,818,531.47
  6. Step 6: Final answer
    x = 1,032,942.05

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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.