Home / 3,120,278.60-4,676,918.70-1,603,375.40

Finding the Fourth Proportional to 3,120,278.60, 4,676,918.70 and 1,603,375.40

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Solution

The fourth proportional to 3,120,278.60, 4,676,918.70 and 1,603,375.40 is: 2,403,265.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,278.60 : 4,676,918.70 = 1,603,375.40 : x
  2. Step 2: Convert to fraction form
    3,120,278.60/4,676,918.70 = 1,603,375.40/x
  3. Step 3: Cross multiply
    3,120,278.60x = 4,676,918.70 × 1,603,375.40
  4. Step 4: Simplify right side
    3,120,278.60x = 7,498,856,391,379.98
  5. Step 5: Solve for x
    x = 7,498,856,391,379.98/3,120,278.60
  6. Step 6: Final answer
    x = 2,403,265.01

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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.