Home / 5,612,191.20-8,418,286.80-2,018,075.40

Finding the Fourth Proportional to 5,612,191.20, 8,418,286.80 and 2,018,075.40

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Solution

The fourth proportional to 5,612,191.20, 8,418,286.80 and 2,018,075.40 is: 3,027,113.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612,191.20 : 8,418,286.80 = 2,018,075.40 : x
  2. Step 2: Convert to fraction form
    5,612,191.20/8,418,286.80 = 2,018,075.40/x
  3. Step 3: Cross multiply
    5,612,191.20x = 8,418,286.80 × 2,018,075.40
  4. Step 4: Simplify right side
    5,612,191.20x = 16,988,737,501,224.72
  5. Step 5: Solve for x
    x = 16,988,737,501,224.72/5,612,191.20
  6. Step 6: Final answer
    x = 3,027,113.10

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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.