Home / 5,509,449-8,259,440.40-1,914,748.92

Finding the Fourth Proportional to 5,509,449, 8,259,440.40 and 1,914,748.92

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Solution

The fourth proportional to 5,509,449, 8,259,440.40 and 1,914,748.92 is: 2,870,478.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509,449 : 8,259,440.40 = 1,914,748.92 : x
  2. Step 2: Convert to fraction form
    5,509,449/8,259,440.40 = 1,914,748.92/x
  3. Step 3: Cross multiply
    5,509,449x = 8,259,440.40 × 1,914,748.92
  4. Step 4: Simplify right side
    5,509,449x = 15,814,754,585,704.37
  5. Step 5: Solve for x
    x = 15,814,754,585,704.37/5,509,449
  6. Step 6: Final answer
    x = 2,870,478.44

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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.