Home / 6,878,412.80-10,321,701.60-2,619,011.60

Finding the Fourth Proportional to 6,878,412.80, 10,321,701.60 and 2,619,011.60

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Solution

The fourth proportional to 6,878,412.80, 10,321,701.60 and 2,619,011.60 is: 3,930,071.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878,412.80 : 10,321,701.60 = 2,619,011.60 : x
  2. Step 2: Convert to fraction form
    6,878,412.80/10,321,701.60 = 2,619,011.60/x
  3. Step 3: Cross multiply
    6,878,412.80x = 10,321,701.60 × 2,619,011.60
  4. Step 4: Simplify right side
    6,878,412.80x = 27,032,656,222,138.56
  5. Step 5: Solve for x
    x = 27,032,656,222,138.56/6,878,412.80
  6. Step 6: Final answer
    x = 3,930,071.81

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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.