Home / 2,990,169.20-4,485,909.90-968,506.40

Finding the Fourth Proportional to 2,990,169.20, 4,485,909.90 and 968,506.40

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Solution

The fourth proportional to 2,990,169.20, 4,485,909.90 and 968,506.40 is: 1,452,972.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,169.20 : 4,485,909.90 = 968,506.40 : x
  2. Step 2: Convert to fraction form
    2,990,169.20/4,485,909.90 = 968,506.40/x
  3. Step 3: Cross multiply
    2,990,169.20x = 4,485,909.90 × 968,506.40
  4. Step 4: Simplify right side
    2,990,169.20x = 4,344,632,447,973.36
  5. Step 5: Solve for x
    x = 4,344,632,447,973.36/2,990,169.20
  6. Step 6: Final answer
    x = 1,452,972.11

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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.