Home / 3,921,549.66-5,411,620.67-2,179,213.20

Finding the Fourth Proportional to 3,921,549.66, 5,411,620.67 and 2,179,213.20

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Solution

The fourth proportional to 3,921,549.66, 5,411,620.67 and 2,179,213.20 is: 3,007,248.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921,549.66 : 5,411,620.67 = 2,179,213.20 : x
  2. Step 2: Convert to fraction form
    3,921,549.66/5,411,620.67 = 2,179,213.20/x
  3. Step 3: Cross multiply
    3,921,549.66x = 5,411,620.67 × 2,179,213.20
  4. Step 4: Simplify right side
    3,921,549.66x = 11,793,075,186,560.78
  5. Step 5: Solve for x
    x = 11,793,075,186,560.78/3,921,549.66
  6. Step 6: Final answer
    x = 3,007,248.72

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1.5x scale

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.