Home / 2,145,810.64-3,218,720.28-798,268.72

Finding the Fourth Proportional to 2,145,810.64, 3,218,720.28 and 798,268.72

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Solution

The fourth proportional to 2,145,810.64, 3,218,720.28 and 798,268.72 is: 1,197,404.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,810.64 : 3,218,720.28 = 798,268.72 : x
  2. Step 2: Convert to fraction form
    2,145,810.64/3,218,720.28 = 798,268.72/x
  3. Step 3: Cross multiply
    2,145,810.64x = 3,218,720.28 × 798,268.72
  4. Step 4: Simplify right side
    2,145,810.64x = 2,569,403,717,953.64
  5. Step 5: Solve for x
    x = 2,569,403,717,953.64/2,145,810.64
  6. Step 6: Final answer
    x = 1,197,404.69

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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.