Home / 2,126,997.32-2,935,291.30-1,160,127.68

Finding the Fourth Proportional to 2,126,997.32, 2,935,291.30 and 1,160,127.68

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Solution

The fourth proportional to 2,126,997.32, 2,935,291.30 and 1,160,127.68 is: 1,600,995.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,997.32 : 2,935,291.30 = 1,160,127.68 : x
  2. Step 2: Convert to fraction form
    2,126,997.32/2,935,291.30 = 1,160,127.68/x
  3. Step 3: Cross multiply
    2,126,997.32x = 2,935,291.30 × 1,160,127.68
  4. Step 4: Simplify right side
    2,126,997.32x = 3,405,312,685,993.18
  5. Step 5: Solve for x
    x = 3,405,312,685,993.18/2,126,997.32
  6. Step 6: Final answer
    x = 1,600,995.29

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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.