Home / 1,812,011.28-2,500,577.12-996,228.80

Finding the Fourth Proportional to 1,812,011.28, 2,500,577.12 and 996,228.80

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Solution

The fourth proportional to 1,812,011.28, 2,500,577.12 and 996,228.80 is: 1,374,796.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,011.28 : 2,500,577.12 = 996,228.80 : x
  2. Step 2: Convert to fraction form
    1,812,011.28/2,500,577.12 = 996,228.80/x
  3. Step 3: Cross multiply
    1,812,011.28x = 2,500,577.12 × 996,228.80
  4. Step 4: Simplify right side
    1,812,011.28x = 2,491,146,943,565.06
  5. Step 5: Solve for x
    x = 2,491,146,943,565.06/1,812,011.28
  6. Step 6: Final answer
    x = 1,374,796.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.