Home / 2,787,360.80-4,181,041.20-992,271.20

Finding the Fourth Proportional to 2,787,360.80, 4,181,041.20 and 992,271.20

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Solution

The fourth proportional to 2,787,360.80, 4,181,041.20 and 992,271.20 is: 1,488,406.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787,360.80 : 4,181,041.20 = 992,271.20 : x
  2. Step 2: Convert to fraction form
    2,787,360.80/4,181,041.20 = 992,271.20/x
  3. Step 3: Cross multiply
    2,787,360.80x = 4,181,041.20 × 992,271.20
  4. Step 4: Simplify right side
    2,787,360.80x = 4,148,726,768,773.44
  5. Step 5: Solve for x
    x = 4,148,726,768,773.44/2,787,360.80
  6. Step 6: Final answer
    x = 1,488,406.80

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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.