Home / 3,689,999.20-5,534,998.80-1,296,546.40

Finding the Fourth Proportional to 3,689,999.20, 5,534,998.80 and 1,296,546.40

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Solution

The fourth proportional to 3,689,999.20, 5,534,998.80 and 1,296,546.40 is: 1,944,819.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689,999.20 : 5,534,998.80 = 1,296,546.40 : x
  2. Step 2: Convert to fraction form
    3,689,999.20/5,534,998.80 = 1,296,546.40/x
  3. Step 3: Cross multiply
    3,689,999.20x = 5,534,998.80 × 1,296,546.40
  4. Step 4: Simplify right side
    3,689,999.20x = 7,176,382,768,144.32
  5. Step 5: Solve for x
    x = 7,176,382,768,144.32/3,689,999.20
  6. Step 6: Final answer
    x = 1,944,819.60

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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.