Home / 2,586,979.20-3,880,468.80-814,051.20

Finding the Fourth Proportional to 2,586,979.20, 3,880,468.80 and 814,051.20

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Solution

The fourth proportional to 2,586,979.20, 3,880,468.80 and 814,051.20 is: 1,221,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586,979.20 : 3,880,468.80 = 814,051.20 : x
  2. Step 2: Convert to fraction form
    2,586,979.20/3,880,468.80 = 814,051.20/x
  3. Step 3: Cross multiply
    2,586,979.20x = 3,880,468.80 × 814,051.20
  4. Step 4: Simplify right side
    2,586,979.20x = 3,158,900,283,202.56
  5. Step 5: Solve for x
    x = 3,158,900,283,202.56/2,586,979.20
  6. Step 6: Final answer
    x = 1,221,076.80

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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.