Home / 1,879,046.51-2,818,568.37-1,079,818.29

Finding the Fourth Proportional to 1,879,046.51, 2,818,568.37 and 1,079,818.29

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Solution

The fourth proportional to 1,879,046.51, 2,818,568.37 and 1,079,818.29 is: 1,619,726.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,046.51 : 2,818,568.37 = 1,079,818.29 : x
  2. Step 2: Convert to fraction form
    1,879,046.51/2,818,568.37 = 1,079,818.29/x
  3. Step 3: Cross multiply
    1,879,046.51x = 2,818,568.37 × 1,079,818.29
  4. Step 4: Simplify right side
    1,879,046.51x = 3,043,541,677,541.49
  5. Step 5: Solve for x
    x = 3,043,541,677,541.49/1,879,046.51
  6. Step 6: Final answer
    x = 1,619,726.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.