Home / 3,649,808.10-5,474,712.15-990,416.10

Finding the Fourth Proportional to 3,649,808.10, 5,474,712.15 and 990,416.10

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Solution

The fourth proportional to 3,649,808.10, 5,474,712.15 and 990,416.10 is: 1,485,624.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649,808.10 : 5,474,712.15 = 990,416.10 : x
  2. Step 2: Convert to fraction form
    3,649,808.10/5,474,712.15 = 990,416.10/x
  3. Step 3: Cross multiply
    3,649,808.10x = 5,474,712.15 × 990,416.10
  4. Step 4: Simplify right side
    3,649,808.10x = 5,422,243,056,225.62
  5. Step 5: Solve for x
    x = 5,422,243,056,225.62/3,649,808.10
  6. Step 6: Final answer
    x = 1,485,624.15

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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.