Home / 1,857,805.20-2,787,226.20-911,206.80

Finding the Fourth Proportional to 1,857,805.20, 2,787,226.20 and 911,206.80

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Solution

The fourth proportional to 1,857,805.20, 2,787,226.20 and 911,206.80 is: 1,367,064.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,805.20 : 2,787,226.20 = 911,206.80 : x
  2. Step 2: Convert to fraction form
    1,857,805.20/2,787,226.20 = 911,206.80/x
  3. Step 3: Cross multiply
    1,857,805.20x = 2,787,226.20 × 911,206.80
  4. Step 4: Simplify right side
    1,857,805.20x = 2,539,739,466,578.16
  5. Step 5: Solve for x
    x = 2,539,739,466,578.16/1,857,805.20
  6. Step 6: Final answer
    x = 1,367,064.46

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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.