Home / 2,185,855.86-3,016,475.23-1,218,987.26

Finding the Fourth Proportional to 2,185,855.86, 3,016,475.23 and 1,218,987.26

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Solution

The fourth proportional to 2,185,855.86, 3,016,475.23 and 1,218,987.26 is: 1,682,199.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,855.86 : 3,016,475.23 = 1,218,987.26 : x
  2. Step 2: Convert to fraction form
    2,185,855.86/3,016,475.23 = 1,218,987.26/x
  3. Step 3: Cross multiply
    2,185,855.86x = 3,016,475.23 × 1,218,987.26
  4. Step 4: Simplify right side
    2,185,855.86x = 3,677,044,875,475.57
  5. Step 5: Solve for x
    x = 3,677,044,875,475.57/2,185,855.86
  6. Step 6: Final answer
    x = 1,682,199.15

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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.