Home / 3,507,890.20-5,260,280.10-1,615,211.80

Finding the Fourth Proportional to 3,507,890.20, 5,260,280.10 and 1,615,211.80

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Solution

The fourth proportional to 3,507,890.20, 5,260,280.10 and 1,615,211.80 is: 2,422,101.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507,890.20 : 5,260,280.10 = 1,615,211.80 : x
  2. Step 2: Convert to fraction form
    3,507,890.20/5,260,280.10 = 1,615,211.80/x
  3. Step 3: Cross multiply
    3,507,890.20x = 5,260,280.10 × 1,615,211.80
  4. Step 4: Simplify right side
    3,507,890.20x = 8,496,466,488,825.18
  5. Step 5: Solve for x
    x = 8,496,466,488,825.18/3,507,890.20
  6. Step 6: Final answer
    x = 2,422,101.61

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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.