Home / 2,990,166.20-4,485,905.40-968,503.40

Finding the Fourth Proportional to 2,990,166.20, 4,485,905.40 and 968,503.40

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Solution

The fourth proportional to 2,990,166.20, 4,485,905.40 and 968,503.40 is: 1,452,967.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,166.20 : 4,485,905.40 = 968,503.40 : x
  2. Step 2: Convert to fraction form
    2,990,166.20/4,485,905.40 = 968,503.40/x
  3. Step 3: Cross multiply
    2,990,166.20x = 4,485,905.40 × 968,503.40
  4. Step 4: Simplify right side
    2,990,166.20x = 4,344,614,631,978.36
  5. Step 5: Solve for x
    x = 4,344,614,631,978.36/2,990,166.20
  6. Step 6: Final answer
    x = 1,452,967.61

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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.