Home / 4,087,200.60-6,130,800.90-3,130,606.80

Finding the Fourth Proportional to 4,087,200.60, 6,130,800.90 and 3,130,606.80

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Solution

The fourth proportional to 4,087,200.60, 6,130,800.90 and 3,130,606.80 is: 4,695,910.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087,200.60 : 6,130,800.90 = 3,130,606.80 : x
  2. Step 2: Convert to fraction form
    4,087,200.60/6,130,800.90 = 3,130,606.80/x
  3. Step 3: Cross multiply
    4,087,200.60x = 6,130,800.90 × 3,130,606.80
  4. Step 4: Simplify right side
    4,087,200.60x = 19,193,126,986,986.12
  5. Step 5: Solve for x
    x = 19,193,126,986,986.12/4,087,200.60
  6. Step 6: Final answer
    x = 4,695,910.20

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Similar ratio
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1.5x scale

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.