Home / 6,878,926.60-10,317,077.70-2,086,772.20

Finding the Fourth Proportional to 6,878,926.60, 10,317,077.70 and 2,086,772.20

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Solution

The fourth proportional to 6,878,926.60, 10,317,077.70 and 2,086,772.20 is: 3,129,760.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878,926.60 : 10,317,077.70 = 2,086,772.20 : x
  2. Step 2: Convert to fraction form
    6,878,926.60/10,317,077.70 = 2,086,772.20/x
  3. Step 3: Cross multiply
    6,878,926.60x = 10,317,077.70 × 2,086,772.20
  4. Step 4: Simplify right side
    6,878,926.60x = 21,529,390,929,599.94
  5. Step 5: Solve for x
    x = 21,529,390,929,599.94/6,878,926.60
  6. Step 6: Final answer
    x = 3,129,760.23

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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.