Home / 2,587,178.63-3,568,393.89-1,898,617.88

Finding the Fourth Proportional to 2,587,178.63, 3,568,393.89 and 1,898,617.88

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Solution

The fourth proportional to 2,587,178.63, 3,568,393.89 and 1,898,617.88 is: 2,618,689.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587,178.63 : 3,568,393.89 = 1,898,617.88 : x
  2. Step 2: Convert to fraction form
    2,587,178.63/3,568,393.89 = 1,898,617.88/x
  3. Step 3: Cross multiply
    2,587,178.63x = 3,568,393.89 × 1,898,617.88
  4. Step 4: Simplify right side
    2,587,178.63x = 6,775,016,424,594.78
  5. Step 5: Solve for x
    x = 6,775,016,424,594.78/2,587,178.63
  6. Step 6: Final answer
    x = 2,618,689.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.