Home / 3,487,280.68-5,230,775.22-1,213,319.49

Finding the Fourth Proportional to 3,487,280.68, 5,230,775.22 and 1,213,319.49

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Solution

The fourth proportional to 3,487,280.68, 5,230,775.22 and 1,213,319.49 is: 1,819,928.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487,280.68 : 5,230,775.22 = 1,213,319.49 : x
  2. Step 2: Convert to fraction form
    3,487,280.68/5,230,775.22 = 1,213,319.49/x
  3. Step 3: Cross multiply
    3,487,280.68x = 5,230,775.22 × 1,213,319.49
  4. Step 4: Simplify right side
    3,487,280.68x = 6,346,601,522,235.04
  5. Step 5: Solve for x
    x = 6,346,601,522,235.04/3,487,280.68
  6. Step 6: Final answer
    x = 1,819,928.51

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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.