Home / 4,278,669.20-6,416,448.60-2,148,045.20

Finding the Fourth Proportional to 4,278,669.20, 6,416,448.60 and 2,148,045.20

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Solution

The fourth proportional to 4,278,669.20, 6,416,448.60 and 2,148,045.20 is: 3,221,287.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278,669.20 : 6,416,448.60 = 2,148,045.20 : x
  2. Step 2: Convert to fraction form
    4,278,669.20/6,416,448.60 = 2,148,045.20/x
  3. Step 3: Cross multiply
    4,278,669.20x = 6,416,448.60 × 2,148,045.20
  4. Step 4: Simplify right side
    4,278,669.20x = 13,782,821,616,276.72
  5. Step 5: Solve for x
    x = 13,782,821,616,276.72/4,278,669.20
  6. Step 6: Final answer
    x = 3,221,287.03

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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.