Home / 1,928,424.86-2,661,247.92-1,101,607.88

Finding the Fourth Proportional to 1,928,424.86, 2,661,247.92 and 1,101,607.88

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Solution

The fourth proportional to 1,928,424.86, 2,661,247.92 and 1,101,607.88 is: 1,520,231.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,424.86 : 2,661,247.92 = 1,101,607.88 : x
  2. Step 2: Convert to fraction form
    1,928,424.86/2,661,247.92 = 1,101,607.88/x
  3. Step 3: Cross multiply
    1,928,424.86x = 2,661,247.92 × 1,101,607.88
  4. Step 4: Simplify right side
    1,928,424.86x = 2,931,651,665,999.37
  5. Step 5: Solve for x
    x = 2,931,651,665,999.37/1,928,424.86
  6. Step 6: Final answer
    x = 1,520,231.22

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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.