Home / 4,126,530.60-6,189,795.90-1,286,620.20

Finding the Fourth Proportional to 4,126,530.60, 6,189,795.90 and 1,286,620.20

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Solution

The fourth proportional to 4,126,530.60, 6,189,795.90 and 1,286,620.20 is: 1,929,930.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,126,530.60 : 6,189,795.90 = 1,286,620.20 : x
  2. Step 2: Convert to fraction form
    4,126,530.60/6,189,795.90 = 1,286,620.20/x
  3. Step 3: Cross multiply
    4,126,530.60x = 6,189,795.90 × 1,286,620.20
  4. Step 4: Simplify right side
    4,126,530.60x = 7,963,916,438,817.18
  5. Step 5: Solve for x
    x = 7,963,916,438,817.18/4,126,530.60
  6. Step 6: Final answer
    x = 1,929,930.30

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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.