Home / 1,805,602-2,491,731.12-1,000,786

Finding the Fourth Proportional to 1,805,602, 2,491,731.12 and 1,000,786

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Solution

The fourth proportional to 1,805,602, 2,491,731.12 and 1,000,786 is: 1,381,084.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,602 : 2,491,731.12 = 1,000,786 : x
  2. Step 2: Convert to fraction form
    1,805,602/2,491,731.12 = 1,000,786/x
  3. Step 3: Cross multiply
    1,805,602x = 2,491,731.12 × 1,000,786
  4. Step 4: Simplify right side
    1,805,602x = 2,493,689,620,660.32
  5. Step 5: Solve for x
    x = 2,493,689,620,660.32/1,805,602
  6. Step 6: Final answer
    x = 1,381,084.88

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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.