Home / 3,240,257.29-4,860,368.37-1,321,161.06

Finding the Fourth Proportional to 3,240,257.29, 4,860,368.37 and 1,321,161.06

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Solution

The fourth proportional to 3,240,257.29, 4,860,368.37 and 1,321,161.06 is: 1,981,734.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240,257.29 : 4,860,368.37 = 1,321,161.06 : x
  2. Step 2: Convert to fraction form
    3,240,257.29/4,860,368.37 = 1,321,161.06/x
  3. Step 3: Cross multiply
    3,240,257.29x = 4,860,368.37 × 1,321,161.06
  4. Step 4: Simplify right side
    3,240,257.29x = 6,421,329,427,699.67
  5. Step 5: Solve for x
    x = 6,421,329,427,699.67/3,240,257.29
  6. Step 6: Final answer
    x = 1,981,734.43

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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.