Home / 1,805,322.29-2,491,599.87-1,117,215.65

Finding the Fourth Proportional to 1,805,322.29, 2,491,599.87 and 1,117,215.65

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Solution

The fourth proportional to 1,805,322.29, 2,491,599.87 and 1,117,215.65 is: 1,541,915.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,322.29 : 2,491,599.87 = 1,117,215.65 : x
  2. Step 2: Convert to fraction form
    1,805,322.29/2,491,599.87 = 1,117,215.65/x
  3. Step 3: Cross multiply
    1,805,322.29x = 2,491,599.87 × 1,117,215.65
  4. Step 4: Simplify right side
    1,805,322.29x = 2,783,654,374,530.97
  5. Step 5: Solve for x
    x = 2,783,654,374,530.97/1,805,322.29
  6. Step 6: Final answer
    x = 1,541,915.48

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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.