Home / 2,985,645.60-4,479,051.60-1,188,223.20

Finding the Fourth Proportional to 2,985,645.60, 4,479,051.60 and 1,188,223.20

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Solution

The fourth proportional to 2,985,645.60, 4,479,051.60 and 1,188,223.20 is: 1,782,566.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985,645.60 : 4,479,051.60 = 1,188,223.20 : x
  2. Step 2: Convert to fraction form
    2,985,645.60/4,479,051.60 = 1,188,223.20/x
  3. Step 3: Cross multiply
    2,985,645.60x = 4,479,051.60 × 1,188,223.20
  4. Step 4: Simplify right side
    2,985,645.60x = 5,322,113,025,117.12
  5. Step 5: Solve for x
    x = 5,322,113,025,117.12/2,985,645.60
  6. Step 6: Final answer
    x = 1,782,566.90

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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.