Home / 2,876,727.20-4,317,548.40-1,281,744.80

Finding the Fourth Proportional to 2,876,727.20, 4,317,548.40 and 1,281,744.80

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Solution

The fourth proportional to 2,876,727.20, 4,317,548.40 and 1,281,744.80 is: 1,923,712.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876,727.20 : 4,317,548.40 = 1,281,744.80 : x
  2. Step 2: Convert to fraction form
    2,876,727.20/4,317,548.40 = 1,281,744.80/x
  3. Step 3: Cross multiply
    2,876,727.20x = 4,317,548.40 × 1,281,744.80
  4. Step 4: Simplify right side
    2,876,727.20x = 5,533,995,210,448.32
  5. Step 5: Solve for x
    x = 5,533,995,210,448.32/2,876,727.20
  6. Step 6: Final answer
    x = 1,923,712.20

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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.