Home / 2,941,988.80-4,412,895.36-812,202.88

Finding the Fourth Proportional to 2,941,988.80, 4,412,895.36 and 812,202.88

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Solution

The fourth proportional to 2,941,988.80, 4,412,895.36 and 812,202.88 is: 1,218,280.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,941,988.80 : 4,412,895.36 = 812,202.88 : x
  2. Step 2: Convert to fraction form
    2,941,988.80/4,412,895.36 = 812,202.88/x
  3. Step 3: Cross multiply
    2,941,988.80x = 4,412,895.36 × 812,202.88
  4. Step 4: Simplify right side
    2,941,988.80x = 3,584,166,320,530.64
  5. Step 5: Solve for x
    x = 3,584,166,320,530.64/2,941,988.80
  6. Step 6: Final answer
    x = 1,218,280.07

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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.