Home / 2,928,794.20-4,391,879.10-1,330,534.60

Finding the Fourth Proportional to 2,928,794.20, 4,391,879.10 and 1,330,534.60

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Solution

The fourth proportional to 2,928,794.20, 4,391,879.10 and 1,330,534.60 is: 1,995,205.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928,794.20 : 4,391,879.10 = 1,330,534.60 : x
  2. Step 2: Convert to fraction form
    2,928,794.20/4,391,879.10 = 1,330,534.60/x
  3. Step 3: Cross multiply
    2,928,794.20x = 4,391,879.10 × 1,330,534.60
  4. Step 4: Simplify right side
    2,928,794.20x = 5,843,547,101,566.86
  5. Step 5: Solve for x
    x = 5,843,547,101,566.86/2,928,794.20
  6. Step 6: Final answer
    x = 1,995,205.77

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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.