Home / 3,436,720.20-5,155,080.30-2,953,830.60

Finding the Fourth Proportional to 3,436,720.20, 5,155,080.30 and 2,953,830.60

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Solution

The fourth proportional to 3,436,720.20, 5,155,080.30 and 2,953,830.60 is: 4,430,745.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436,720.20 : 5,155,080.30 = 2,953,830.60 : x
  2. Step 2: Convert to fraction form
    3,436,720.20/5,155,080.30 = 2,953,830.60/x
  3. Step 3: Cross multiply
    3,436,720.20x = 5,155,080.30 × 2,953,830.60
  4. Step 4: Simplify right side
    3,436,720.20x = 15,227,233,935,597.18
  5. Step 5: Solve for x
    x = 15,227,233,935,597.18/3,436,720.20
  6. Step 6: Final answer
    x = 4,430,745.90

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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.