Home / 2,751,020.40-4,126,530.60-857,746.80

Finding the Fourth Proportional to 2,751,020.40, 4,126,530.60 and 857,746.80

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Solution

The fourth proportional to 2,751,020.40, 4,126,530.60 and 857,746.80 is: 1,286,620.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751,020.40 : 4,126,530.60 = 857,746.80 : x
  2. Step 2: Convert to fraction form
    2,751,020.40/4,126,530.60 = 857,746.80/x
  3. Step 3: Cross multiply
    2,751,020.40x = 4,126,530.60 × 857,746.80
  4. Step 4: Simplify right side
    2,751,020.40x = 3,539,518,417,252.08
  5. Step 5: Solve for x
    x = 3,539,518,417,252.08/2,751,020.40
  6. Step 6: Final answer
    x = 1,286,620.20

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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.