Home / 3,170,387.19-4,375,159.07-1,863,288.21

Finding the Fourth Proportional to 3,170,387.19, 4,375,159.07 and 1,863,288.21

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Solution

The fourth proportional to 3,170,387.19, 4,375,159.07 and 1,863,288.21 is: 2,571,352.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170,387.19 : 4,375,159.07 = 1,863,288.21 : x
  2. Step 2: Convert to fraction form
    3,170,387.19/4,375,159.07 = 1,863,288.21/x
  3. Step 3: Cross multiply
    3,170,387.19x = 4,375,159.07 × 1,863,288.21
  4. Step 4: Simplify right side
    3,170,387.19x = 8,152,182,302,689.12
  5. Step 5: Solve for x
    x = 8,152,182,302,689.12/3,170,387.19
  6. Step 6: Final answer
    x = 2,571,352.27

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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.