Home / 3,240,256.40-4,860,367.06-1,321,160.18

Finding the Fourth Proportional to 3,240,256.40, 4,860,367.06 and 1,321,160.18

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Solution

The fourth proportional to 3,240,256.40, 4,860,367.06 and 1,321,160.18 is: 1,981,733.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240,256.40 : 4,860,367.06 = 1,321,160.18 : x
  2. Step 2: Convert to fraction form
    3,240,256.40/4,860,367.06 = 1,321,160.18/x
  3. Step 3: Cross multiply
    3,240,256.40x = 4,860,367.06 × 1,321,160.18
  4. Step 4: Simplify right side
    3,240,256.40x = 6,421,323,419,855.67
  5. Step 5: Solve for x
    x = 6,421,323,419,855.67/3,240,256.40
  6. Step 6: Final answer
    x = 1,981,733.12

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1.5x scale

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.