Home / 1,805,097.52-2,491,066.56-989,246.86

Finding the Fourth Proportional to 1,805,097.52, 2,491,066.56 and 989,246.86

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Solution

The fourth proportional to 1,805,097.52, 2,491,066.56 and 989,246.86 is: 1,365,178.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,097.52 : 2,491,066.56 = 989,246.86 : x
  2. Step 2: Convert to fraction form
    1,805,097.52/2,491,066.56 = 989,246.86/x
  3. Step 3: Cross multiply
    1,805,097.52x = 2,491,066.56 × 989,246.86
  4. Step 4: Simplify right side
    1,805,097.52x = 2,464,279,772,531.00
  5. Step 5: Solve for x
    x = 2,464,279,772,531.00/1,805,097.52
  6. Step 6: Final answer
    x = 1,365,178.19

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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.