Home / 3,120,249.60-4,676,875.20-1,603,346.40

Finding the Fourth Proportional to 3,120,249.60, 4,676,875.20 and 1,603,346.40

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Solution

The fourth proportional to 3,120,249.60, 4,676,875.20 and 1,603,346.40 is: 2,403,221.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,249.60 : 4,676,875.20 = 1,603,346.40 : x
  2. Step 2: Convert to fraction form
    3,120,249.60/4,676,875.20 = 1,603,346.40/x
  3. Step 3: Cross multiply
    3,120,249.60x = 4,676,875.20 × 1,603,346.40
  4. Step 4: Simplify right side
    3,120,249.60x = 7,498,651,015,169.28
  5. Step 5: Solve for x
    x = 7,498,651,015,169.28/3,120,249.60
  6. Step 6: Final answer
    x = 2,403,221.53

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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.