Home / 2,661,003.20-3,991,504.80-977,758.40

Finding the Fourth Proportional to 2,661,003.20, 3,991,504.80 and 977,758.40

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Solution

The fourth proportional to 2,661,003.20, 3,991,504.80 and 977,758.40 is: 1,466,637.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661,003.20 : 3,991,504.80 = 977,758.40 : x
  2. Step 2: Convert to fraction form
    2,661,003.20/3,991,504.80 = 977,758.40/x
  3. Step 3: Cross multiply
    2,661,003.20x = 3,991,504.80 × 977,758.40
  4. Step 4: Simplify right side
    2,661,003.20x = 3,902,727,346,840.32
  5. Step 5: Solve for x
    x = 3,902,727,346,840.32/2,661,003.20
  6. Step 6: Final answer
    x = 1,466,637.60

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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.