Home / 2,254,440.88-3,111,343.68-1,287,715.60

Finding the Fourth Proportional to 2,254,440.88, 3,111,343.68 and 1,287,715.60

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Solution

The fourth proportional to 2,254,440.88, 3,111,343.68 and 1,287,715.60 is: 1,777,170.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254,440.88 : 3,111,343.68 = 1,287,715.60 : x
  2. Step 2: Convert to fraction form
    2,254,440.88/3,111,343.68 = 1,287,715.60/x
  3. Step 3: Cross multiply
    2,254,440.88x = 3,111,343.68 × 1,287,715.60
  4. Step 4: Simplify right side
    2,254,440.88x = 4,006,525,793,697.41
  5. Step 5: Solve for x
    x = 4,006,525,793,697.41/2,254,440.88
  6. Step 6: Final answer
    x = 1,777,170.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.