Home / 3,219,955.40-4,829,933.10-2,158,272.20

Finding the Fourth Proportional to 3,219,955.40, 4,829,933.10 and 2,158,272.20

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Solution

The fourth proportional to 3,219,955.40, 4,829,933.10 and 2,158,272.20 is: 3,237,408.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,955.40 : 4,829,933.10 = 2,158,272.20 : x
  2. Step 2: Convert to fraction form
    3,219,955.40/4,829,933.10 = 2,158,272.20/x
  3. Step 3: Cross multiply
    3,219,955.40x = 4,829,933.10 × 2,158,272.20
  4. Step 4: Simplify right side
    3,219,955.40x = 10,424,310,337,589.82
  5. Step 5: Solve for x
    x = 10,424,310,337,589.82/3,219,955.40
  6. Step 6: Final answer
    x = 3,237,408.30

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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.