Home / 5,286,280.83-7,929,428.20-1,448,137.37

Finding the Fourth Proportional to 5,286,280.83, 7,929,428.20 and 1,448,137.37

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Solution

The fourth proportional to 5,286,280.83, 7,929,428.20 and 1,448,137.37 is: 2,172,207.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286,280.83 : 7,929,428.20 = 1,448,137.37 : x
  2. Step 2: Convert to fraction form
    5,286,280.83/7,929,428.20 = 1,448,137.37/x
  3. Step 3: Cross multiply
    5,286,280.83x = 7,929,428.20 × 1,448,137.37
  4. Step 4: Simplify right side
    5,286,280.83x = 11,482,901,315,355.06
  5. Step 5: Solve for x
    x = 11,482,901,315,355.06/5,286,280.83
  6. Step 6: Final answer
    x = 2,172,207.96

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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.