Home / 3,120,462.60-4,677,194.70-1,603,559.40

Finding the Fourth Proportional to 3,120,462.60, 4,677,194.70 and 1,603,559.40

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Solution

The fourth proportional to 3,120,462.60, 4,677,194.70 and 1,603,559.40 is: 2,403,540.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,462.60 : 4,677,194.70 = 1,603,559.40 : x
  2. Step 2: Convert to fraction form
    3,120,462.60/4,677,194.70 = 1,603,559.40/x
  3. Step 3: Cross multiply
    3,120,462.60x = 4,677,194.70 × 1,603,559.40
  4. Step 4: Simplify right side
    3,120,462.60x = 7,500,159,526,815.18
  5. Step 5: Solve for x
    x = 7,500,159,526,815.18/3,120,462.60
  6. Step 6: Final answer
    x = 2,403,540.91

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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.