Home / 4,978,045.20-7,467,067.80-2,586,560.70

Finding the Fourth Proportional to 4,978,045.20, 7,467,067.80 and 2,586,560.70

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Solution

The fourth proportional to 4,978,045.20, 7,467,067.80 and 2,586,560.70 is: 3,879,841.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,978,045.20 : 7,467,067.80 = 2,586,560.70 : x
  2. Step 2: Convert to fraction form
    4,978,045.20/7,467,067.80 = 2,586,560.70/x
  3. Step 3: Cross multiply
    4,978,045.20x = 7,467,067.80 × 2,586,560.70
  4. Step 4: Simplify right side
    4,978,045.20x = 19,314,024,115,715.46
  5. Step 5: Solve for x
    x = 19,314,024,115,715.46/4,978,045.20
  6. Step 6: Final answer
    x = 3,879,841.05

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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.