Home / 2,311,647-3,190,072.86-1,506,831

Finding the Fourth Proportional to 2,311,647, 3,190,072.86 and 1,506,831

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Solution

The fourth proportional to 2,311,647, 3,190,072.86 and 1,506,831 is: 2,079,426.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311,647 : 3,190,072.86 = 1,506,831 : x
  2. Step 2: Convert to fraction form
    2,311,647/3,190,072.86 = 1,506,831/x
  3. Step 3: Cross multiply
    2,311,647x = 3,190,072.86 × 1,506,831
  4. Step 4: Simplify right side
    2,311,647x = 4,806,900,677,706.66
  5. Step 5: Solve for x
    x = 4,806,900,677,706.66/2,311,647
  6. Step 6: Final answer
    x = 2,079,426.78

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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.