Home / 2,990,165.20-4,485,903.90-968,502.40

Finding the Fourth Proportional to 2,990,165.20, 4,485,903.90 and 968,502.40

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Solution

The fourth proportional to 2,990,165.20, 4,485,903.90 and 968,502.40 is: 1,452,966.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,165.20 : 4,485,903.90 = 968,502.40 : x
  2. Step 2: Convert to fraction form
    2,990,165.20/4,485,903.90 = 968,502.40/x
  3. Step 3: Cross multiply
    2,990,165.20x = 4,485,903.90 × 968,502.40
  4. Step 4: Simplify right side
    2,990,165.20x = 4,344,608,693,319.36
  5. Step 5: Solve for x
    x = 4,344,608,693,319.36/2,990,165.20
  6. Step 6: Final answer
    x = 1,452,966.11

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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.