Home / 3,211,262.27-4,431,602.76-1,760,871.20

Finding the Fourth Proportional to 3,211,262.27, 4,431,602.76 and 1,760,871.20

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Solution

The fourth proportional to 3,211,262.27, 4,431,602.76 and 1,760,871.20 is: 2,430,035.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211,262.27 : 4,431,602.76 = 1,760,871.20 : x
  2. Step 2: Convert to fraction form
    3,211,262.27/4,431,602.76 = 1,760,871.20/x
  3. Step 3: Cross multiply
    3,211,262.27x = 4,431,602.76 × 1,760,871.20
  4. Step 4: Simplify right side
    3,211,262.27x = 7,803,481,661,120.16
  5. Step 5: Solve for x
    x = 7,803,481,661,120.16/3,211,262.27
  6. Step 6: Final answer
    x = 2,430,035.61

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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.