Home / 3,116,942.40-4,675,559.40-987,193.20

Finding the Fourth Proportional to 3,116,942.40, 4,675,559.40 and 987,193.20

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Solution

The fourth proportional to 3,116,942.40, 4,675,559.40 and 987,193.20 is: 1,480,835.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116,942.40 : 4,675,559.40 = 987,193.20 : x
  2. Step 2: Convert to fraction form
    3,116,942.40/4,675,559.40 = 987,193.20/x
  3. Step 3: Cross multiply
    3,116,942.40x = 4,675,559.40 × 987,193.20
  4. Step 4: Simplify right side
    3,116,942.40x = 4,615,680,445,876.08
  5. Step 5: Solve for x
    x = 4,615,680,445,876.08/3,116,942.40
  6. Step 6: Final answer
    x = 1,480,835.98

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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.