Home / 3,129,013.84-4,319,989.32-2,150,637.52

Finding the Fourth Proportional to 3,129,013.84, 4,319,989.32 and 2,150,637.52

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Solution

The fourth proportional to 3,129,013.84, 4,319,989.32 and 2,150,637.52 is: 2,969,220.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,013.84 : 4,319,989.32 = 2,150,637.52 : x
  2. Step 2: Convert to fraction form
    3,129,013.84/4,319,989.32 = 2,150,637.52/x
  3. Step 3: Cross multiply
    3,129,013.84x = 4,319,989.32 × 2,150,637.52
  4. Step 4: Simplify right side
    3,129,013.84x = 9,290,731,117,591.29
  5. Step 5: Solve for x
    x = 9,290,731,117,591.29/3,129,013.84
  6. Step 6: Final answer
    x = 2,969,220.21

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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.