Home / 2,166,015.15-2,988,987.26-1,185,766.26

Finding the Fourth Proportional to 2,166,015.15, 2,988,987.26 and 1,185,766.26

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Solution

The fourth proportional to 2,166,015.15, 2,988,987.26 and 1,185,766.26 is: 1,636,295.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,015.15 : 2,988,987.26 = 1,185,766.26 : x
  2. Step 2: Convert to fraction form
    2,166,015.15/2,988,987.26 = 1,185,766.26/x
  3. Step 3: Cross multiply
    2,166,015.15x = 2,988,987.26 × 1,185,766.26
  4. Step 4: Simplify right side
    2,166,015.15x = 3,544,240,238,549.02
  5. Step 5: Solve for x
    x = 3,544,240,238,549.02/2,166,015.15
  6. Step 6: Final answer
    x = 1,636,295.22

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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.