Home / 2,126,939.76-2,935,105.24-1,267,054.64

Finding the Fourth Proportional to 2,126,939.76, 2,935,105.24 and 1,267,054.64

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Solution

The fourth proportional to 2,126,939.76, 2,935,105.24 and 1,267,054.64 is: 1,748,492.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,939.76 : 2,935,105.24 = 1,267,054.64 : x
  2. Step 2: Convert to fraction form
    2,126,939.76/2,935,105.24 = 1,267,054.64/x
  3. Step 3: Cross multiply
    2,126,939.76x = 2,935,105.24 × 1,267,054.64
  4. Step 4: Simplify right side
    2,126,939.76x = 3,718,938,713,230.31
  5. Step 5: Solve for x
    x = 3,718,938,713,230.31/2,126,939.76
  6. Step 6: Final answer
    x = 1,748,492.73

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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.