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Finding the Fourth Proportional to 3,505,154, 5,257,203.64 and 980,482

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Solution

The fourth proportional to 3,505,154, 5,257,203.64 and 980,482 is: 1,470,575.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505,154 : 5,257,203.64 = 980,482 : x
  2. Step 2: Convert to fraction form
    3,505,154/5,257,203.64 = 980,482/x
  3. Step 3: Cross multiply
    3,505,154x = 5,257,203.64 × 980,482
  4. Step 4: Simplify right side
    3,505,154x = 5,154,593,539,354.48
  5. Step 5: Solve for x
    x = 5,154,593,539,354.48/3,505,154
  6. Step 6: Final answer
    x = 1,470,575.48

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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.