Home / 2,099,009.60-3,148,514.40-1,679,105.60

Finding the Fourth Proportional to 2,099,009.60, 3,148,514.40 and 1,679,105.60

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Solution

The fourth proportional to 2,099,009.60, 3,148,514.40 and 1,679,105.60 is: 2,518,658.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099,009.60 : 3,148,514.40 = 1,679,105.60 : x
  2. Step 2: Convert to fraction form
    2,099,009.60/3,148,514.40 = 1,679,105.60/x
  3. Step 3: Cross multiply
    2,099,009.60x = 3,148,514.40 × 1,679,105.60
  4. Step 4: Simplify right side
    2,099,009.60x = 5,286,688,160,720.64
  5. Step 5: Solve for x
    x = 5,286,688,160,720.64/2,099,009.60
  6. Step 6: Final answer
    x = 2,518,658.40

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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.