Home / 4,818,147.90-7,220,800.08-2,543,137.48

Finding the Fourth Proportional to 4,818,147.90, 7,220,800.08 and 2,543,137.48

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Solution

The fourth proportional to 4,818,147.90, 7,220,800.08 and 2,543,137.48 is: 3,811,316.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818,147.90 : 7,220,800.08 = 2,543,137.48 : x
  2. Step 2: Convert to fraction form
    4,818,147.90/7,220,800.08 = 2,543,137.48/x
  3. Step 3: Cross multiply
    4,818,147.90x = 7,220,800.08 × 2,543,137.48
  4. Step 4: Simplify right side
    4,818,147.90x = 18,363,487,319,035
  5. Step 5: Solve for x
    x = 18,363,487,319,035/4,818,147.90
  6. Step 6: Final answer
    x = 3,811,316.65

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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.