Home / 2,692,428.96-4,038,100.20-985,989.75

Finding the Fourth Proportional to 2,692,428.96, 4,038,100.20 and 985,989.75

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Solution

The fourth proportional to 2,692,428.96, 4,038,100.20 and 985,989.75 is: 1,478,785.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692,428.96 : 4,038,100.20 = 985,989.75 : x
  2. Step 2: Convert to fraction form
    2,692,428.96/4,038,100.20 = 985,989.75/x
  3. Step 3: Cross multiply
    2,692,428.96x = 4,038,100.20 × 985,989.75
  4. Step 4: Simplify right side
    2,692,428.96x = 3,981,525,406,672.95
  5. Step 5: Solve for x
    x = 3,981,525,406,672.95/2,692,428.96
  6. Step 6: Final answer
    x = 1,478,785.69

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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.