Home / 4,739,620.80-7,109,431.20-3,039,009.60

Finding the Fourth Proportional to 4,739,620.80, 7,109,431.20 and 3,039,009.60

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Solution

The fourth proportional to 4,739,620.80, 7,109,431.20 and 3,039,009.60 is: 4,558,514.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739,620.80 : 7,109,431.20 = 3,039,009.60 : x
  2. Step 2: Convert to fraction form
    4,739,620.80/7,109,431.20 = 3,039,009.60/x
  3. Step 3: Cross multiply
    4,739,620.80x = 7,109,431.20 × 3,039,009.60
  4. Step 4: Simplify right side
    4,739,620.80x = 21,605,629,667,339.52
  5. Step 5: Solve for x
    x = 21,605,629,667,339.52/4,739,620.80
  6. Step 6: Final answer
    x = 4,558,514.40

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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.