Home / 1,986,387.10-2,741,024.46-1,115,022.16

Finding the Fourth Proportional to 1,986,387.10, 2,741,024.46 and 1,115,022.16

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Solution

The fourth proportional to 1,986,387.10, 2,741,024.46 and 1,115,022.16 is: 1,538,624.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,387.10 : 2,741,024.46 = 1,115,022.16 : x
  2. Step 2: Convert to fraction form
    1,986,387.10/2,741,024.46 = 1,115,022.16/x
  3. Step 3: Cross multiply
    1,986,387.10x = 2,741,024.46 × 1,115,022.16
  4. Step 4: Simplify right side
    1,986,387.10x = 3,056,303,014,002.03
  5. Step 5: Solve for x
    x = 3,056,303,014,002.03/1,986,387.10
  6. Step 6: Final answer
    x = 1,538,624.07

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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.