Home / 2,138,823.10-3,208,234.65-1,342,560.70

Finding the Fourth Proportional to 2,138,823.10, 3,208,234.65 and 1,342,560.70

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Solution

The fourth proportional to 2,138,823.10, 3,208,234.65 and 1,342,560.70 is: 2,013,841.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,823.10 : 3,208,234.65 = 1,342,560.70 : x
  2. Step 2: Convert to fraction form
    2,138,823.10/3,208,234.65 = 1,342,560.70/x
  3. Step 3: Cross multiply
    2,138,823.10x = 3,208,234.65 × 1,342,560.70
  4. Step 4: Simplify right side
    2,138,823.10x = 4,307,249,757,468.26
  5. Step 5: Solve for x
    x = 4,307,249,757,468.26/2,138,823.10
  6. Step 6: Final answer
    x = 2,013,841.05

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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.