Home / 3,103,689.72-4,285,059.66-2,125,266.06

Finding the Fourth Proportional to 3,103,689.72, 4,285,059.66 and 2,125,266.06

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Solution

The fourth proportional to 3,103,689.72, 4,285,059.66 and 2,125,266.06 is: 2,934,214.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103,689.72 : 4,285,059.66 = 2,125,266.06 : x
  2. Step 2: Convert to fraction form
    3,103,689.72/4,285,059.66 = 2,125,266.06/x
  3. Step 3: Cross multiply
    3,103,689.72x = 4,285,059.66 × 2,125,266.06
  4. Step 4: Simplify right side
    3,103,689.72x = 9,106,891,860,473.14
  5. Step 5: Solve for x
    x = 9,106,891,860,473.14/3,103,689.72
  6. Step 6: Final answer
    x = 2,934,214.65

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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.