Home / 6,279,404.60-9,421,731.30-2,020,878.20

Finding the Fourth Proportional to 6,279,404.60, 9,421,731.30 and 2,020,878.20

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Solution

The fourth proportional to 6,279,404.60, 9,421,731.30 and 2,020,878.20 is: 3,032,161.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279,404.60 : 9,421,731.30 = 2,020,878.20 : x
  2. Step 2: Convert to fraction form
    6,279,404.60/9,421,731.30 = 2,020,878.20/x
  3. Step 3: Cross multiply
    6,279,404.60x = 9,421,731.30 × 2,020,878.20
  4. Step 4: Simplify right side
    6,279,404.60x = 19,040,171,390,427.66
  5. Step 5: Solve for x
    x = 19,040,171,390,427.66/6,279,404.60
  6. Step 6: Final answer
    x = 3,032,161.90

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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.