Home / 2,990,103.40-4,485,155.10-968,343.40

Finding the Fourth Proportional to 2,990,103.40, 4,485,155.10 and 968,343.40

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Solution

The fourth proportional to 2,990,103.40, 4,485,155.10 and 968,343.40 is: 1,452,515.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,103.40 : 4,485,155.10 = 968,343.40 : x
  2. Step 2: Convert to fraction form
    2,990,103.40/4,485,155.10 = 968,343.40/x
  3. Step 3: Cross multiply
    2,990,103.40x = 4,485,155.10 × 968,343.40
  4. Step 4: Simplify right side
    2,990,103.40x = 4,343,170,339,061.34
  5. Step 5: Solve for x
    x = 4,343,170,339,061.34/2,990,103.40
  6. Step 6: Final answer
    x = 1,452,515.10

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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.