Home / 2,125,276.80-3,189,729.60-864,009.60

Finding the Fourth Proportional to 2,125,276.80, 3,189,729.60 and 864,009.60

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Solution

The fourth proportional to 2,125,276.80, 3,189,729.60 and 864,009.60 is: 1,296,752.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,276.80 : 3,189,729.60 = 864,009.60 : x
  2. Step 2: Convert to fraction form
    2,125,276.80/3,189,729.60 = 864,009.60/x
  3. Step 3: Cross multiply
    2,125,276.80x = 3,189,729.60 × 864,009.60
  4. Step 4: Simplify right side
    2,125,276.80x = 2,755,956,995,804.16
  5. Step 5: Solve for x
    x = 2,755,956,995,804.16/2,125,276.80
  6. Step 6: Final answer
    x = 1,296,752.03

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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.