Home / 2,169,014.51-2,993,177.09-1,188,933.16

Finding the Fourth Proportional to 2,169,014.51, 2,993,177.09 and 1,188,933.16

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Solution

The fourth proportional to 2,169,014.51, 2,993,177.09 and 1,188,933.16 is: 1,640,693.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,169,014.51 : 2,993,177.09 = 1,188,933.16 : x
  2. Step 2: Convert to fraction form
    2,169,014.51/2,993,177.09 = 1,188,933.16/x
  3. Step 3: Cross multiply
    2,169,014.51x = 2,993,177.09 × 1,188,933.16
  4. Step 4: Simplify right side
    2,169,014.51x = 3,558,687,499,199.10
  5. Step 5: Solve for x
    x = 3,558,687,499,199.10/2,169,014.51
  6. Step 6: Final answer
    x = 1,640,693.27

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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.