Home / 3,119,152.60-4,678,728.90-2,930,195.80

Finding the Fourth Proportional to 3,119,152.60, 4,678,728.90 and 2,930,195.80

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Solution

The fourth proportional to 3,119,152.60, 4,678,728.90 and 2,930,195.80 is: 4,395,293.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,152.60 : 4,678,728.90 = 2,930,195.80 : x
  2. Step 2: Convert to fraction form
    3,119,152.60/4,678,728.90 = 2,930,195.80/x
  3. Step 3: Cross multiply
    3,119,152.60x = 4,678,728.90 × 2,930,195.80
  4. Step 4: Simplify right side
    3,119,152.60x = 13,709,591,772,118.62
  5. Step 5: Solve for x
    x = 13,709,591,772,118.62/3,119,152.60
  6. Step 6: Final answer
    x = 4,395,293.70

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Double scale
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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.