Home / 5,342,131.75-8,013,138.48-1,298,623.45

Finding the Fourth Proportional to 5,342,131.75, 8,013,138.48 and 1,298,623.45

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Solution

The fourth proportional to 5,342,131.75, 8,013,138.48 and 1,298,623.45 is: 1,947,920.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,342,131.75 : 8,013,138.48 = 1,298,623.45 : x
  2. Step 2: Convert to fraction form
    5,342,131.75/8,013,138.48 = 1,298,623.45/x
  3. Step 3: Cross multiply
    5,342,131.75x = 8,013,138.48 × 1,298,623.45
  4. Step 4: Simplify right side
    5,342,131.75x = 10,406,049,498,159.66
  5. Step 5: Solve for x
    x = 10,406,049,498,159.66/5,342,131.75
  6. Step 6: Final answer
    x = 1,947,920.79

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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.