Home / 6,626,346.80-9,939,520.20-2,840,212.40

Finding the Fourth Proportional to 6,626,346.80, 9,939,520.20 and 2,840,212.40

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Solution

The fourth proportional to 6,626,346.80, 9,939,520.20 and 2,840,212.40 is: 4,260,318.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,626,346.80 : 9,939,520.20 = 2,840,212.40 : x
  2. Step 2: Convert to fraction form
    6,626,346.80/9,939,520.20 = 2,840,212.40/x
  3. Step 3: Cross multiply
    6,626,346.80x = 9,939,520.20 × 2,840,212.40
  4. Step 4: Simplify right side
    6,626,346.80x = 28,230,348,522,090.48
  5. Step 5: Solve for x
    x = 28,230,348,522,090.48/6,626,346.80
  6. Step 6: Final answer
    x = 4,260,318.60

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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.