Home / 6,878,981.34-10,318,496.85-2,086,712.46

Finding the Fourth Proportional to 6,878,981.34, 10,318,496.85 and 2,086,712.46

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Solution

The fourth proportional to 6,878,981.34, 10,318,496.85 and 2,086,712.46 is: 3,130,076.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878,981.34 : 10,318,496.85 = 2,086,712.46 : x
  2. Step 2: Convert to fraction form
    6,878,981.34/10,318,496.85 = 2,086,712.46/x
  3. Step 3: Cross multiply
    6,878,981.34x = 10,318,496.85 × 2,086,712.46
  4. Step 4: Simplify right side
    6,878,981.34x = 21,531,735,945,365.75
  5. Step 5: Solve for x
    x = 21,531,735,945,365.75/6,878,981.34
  6. Step 6: Final answer
    x = 3,130,076.23

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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.