Home / 2,985,615.60-4,479,006.60-1,188,193.20

Finding the Fourth Proportional to 2,985,615.60, 4,479,006.60 and 1,188,193.20

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Solution

The fourth proportional to 2,985,615.60, 4,479,006.60 and 1,188,193.20 is: 1,782,521.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985,615.60 : 4,479,006.60 = 1,188,193.20 : x
  2. Step 2: Convert to fraction form
    2,985,615.60/4,479,006.60 = 1,188,193.20/x
  3. Step 3: Cross multiply
    2,985,615.60x = 4,479,006.60 × 1,188,193.20
  4. Step 4: Simplify right side
    2,985,615.60x = 5,321,925,184,875.12
  5. Step 5: Solve for x
    x = 5,321,925,184,875.12/2,985,615.60
  6. Step 6: Final answer
    x = 1,782,521.90

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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.