Home / 2,186,088.12-3,016,806.96-1,219,281.03

Finding the Fourth Proportional to 2,186,088.12, 3,016,806.96 and 1,219,281.03

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Solution

The fourth proportional to 2,186,088.12, 3,016,806.96 and 1,219,281.03 is: 1,682,610.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,088.12 : 3,016,806.96 = 1,219,281.03 : x
  2. Step 2: Convert to fraction form
    2,186,088.12/3,016,806.96 = 1,219,281.03/x
  3. Step 3: Cross multiply
    2,186,088.12x = 3,016,806.96 × 1,219,281.03
  4. Step 4: Simplify right side
    2,186,088.12x = 3,678,335,497,499.97
  5. Step 5: Solve for x
    x = 3,678,335,497,499.97/2,186,088.12
  6. Step 6: Final answer
    x = 1,682,610.81

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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.