Home / 1,805,732.32-2,491,894.70-989,921.17

Finding the Fourth Proportional to 1,805,732.32, 2,491,894.70 and 989,921.17

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Solution

The fourth proportional to 1,805,732.32, 2,491,894.70 and 989,921.17 is: 1,366,082.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,732.32 : 2,491,894.70 = 989,921.17 : x
  2. Step 2: Convert to fraction form
    1,805,732.32/2,491,894.70 = 989,921.17/x
  3. Step 3: Cross multiply
    1,805,732.32x = 2,491,894.70 × 989,921.17
  4. Step 4: Simplify right side
    1,805,732.32x = 2,466,779,325,645.34
  5. Step 5: Solve for x
    x = 2,466,779,325,645.34/1,805,732.32
  6. Step 6: Final answer
    x = 1,366,082.51

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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.