Home / 3,838,245.20-5,758,145.40-1,314,155.60

Finding the Fourth Proportional to 3,838,245.20, 5,758,145.40 and 1,314,155.60

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Solution

The fourth proportional to 3,838,245.20, 5,758,145.40 and 1,314,155.60 is: 1,971,499.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838,245.20 : 5,758,145.40 = 1,314,155.60 : x
  2. Step 2: Convert to fraction form
    3,838,245.20/5,758,145.40 = 1,314,155.60/x
  3. Step 3: Cross multiply
    3,838,245.20x = 5,758,145.40 × 1,314,155.60
  4. Step 4: Simplify right side
    3,838,245.20x = 7,567,099,023,024.24
  5. Step 5: Solve for x
    x = 7,567,099,023,024.24/3,838,245.20
  6. Step 6: Final answer
    x = 1,971,499.64

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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.