Home / 4,678,800.45-7,018,200.68-1,646,634.30

Finding the Fourth Proportional to 4,678,800.45, 7,018,200.68 and 1,646,634.30

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Solution

The fourth proportional to 4,678,800.45, 7,018,200.68 and 1,646,634.30 is: 2,469,951.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678,800.45 : 7,018,200.68 = 1,646,634.30 : x
  2. Step 2: Convert to fraction form
    4,678,800.45/7,018,200.68 = 1,646,634.30/x
  3. Step 3: Cross multiply
    4,678,800.45x = 7,018,200.68 × 1,646,634.30
  4. Step 4: Simplify right side
    4,678,800.45x = 11,556,409,955,738.15
  5. Step 5: Solve for x
    x = 11,556,409,955,738.15/4,678,800.45
  6. Step 6: Final answer
    x = 2,469,951.45

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Similar ratio
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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.