Home / 1,691,479.28-2,539,384.07-1,453,118.15

Finding the Fourth Proportional to 1,691,479.28, 2,539,384.07 and 1,453,118.15

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Solution

The fourth proportional to 1,691,479.28, 2,539,384.07 and 1,453,118.15 is: 2,181,537.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,479.28 : 2,539,384.07 = 1,453,118.15 : x
  2. Step 2: Convert to fraction form
    1,691,479.28/2,539,384.07 = 1,453,118.15/x
  3. Step 3: Cross multiply
    1,691,479.28x = 2,539,384.07 × 1,453,118.15
  4. Step 4: Simplify right side
    1,691,479.28x = 3,690,025,061,975.36
  5. Step 5: Solve for x
    x = 3,690,025,061,975.36/1,691,479.28
  6. Step 6: Final answer
    x = 2,181,537.26

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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.