Home / 2,143,659.12-3,213,042.60-863,447.16

Finding the Fourth Proportional to 2,143,659.12, 3,213,042.60 and 863,447.16

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Solution

The fourth proportional to 2,143,659.12, 3,213,042.60 and 863,447.16 is: 1,294,185.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143,659.12 : 3,213,042.60 = 863,447.16 : x
  2. Step 2: Convert to fraction form
    2,143,659.12/3,213,042.60 = 863,447.16/x
  3. Step 3: Cross multiply
    2,143,659.12x = 3,213,042.60 × 863,447.16
  4. Step 4: Simplify right side
    2,143,659.12x = 2,774,292,507,929.02
  5. Step 5: Solve for x
    x = 2,774,292,507,929.02/2,143,659.12
  6. Step 6: Final answer
    x = 1,294,185.48

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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.