Home / 6,120,101.60-9,180,152.40-2,131,013.60

Finding the Fourth Proportional to 6,120,101.60, 9,180,152.40 and 2,131,013.60

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Solution

The fourth proportional to 6,120,101.60, 9,180,152.40 and 2,131,013.60 is: 3,196,520.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120,101.60 : 9,180,152.40 = 2,131,013.60 : x
  2. Step 2: Convert to fraction form
    6,120,101.60/9,180,152.40 = 2,131,013.60/x
  3. Step 3: Cross multiply
    6,120,101.60x = 9,180,152.40 × 2,131,013.60
  4. Step 4: Simplify right side
    6,120,101.60x = 19,563,029,614,472.64
  5. Step 5: Solve for x
    x = 19,563,029,614,472.64/6,120,101.60
  6. Step 6: Final answer
    x = 3,196,520.40

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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.