Home / 2,119,259.37-3,178,999.01-699,426.17

Finding the Fourth Proportional to 2,119,259.37, 3,178,999.01 and 699,426.17

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Solution

The fourth proportional to 2,119,259.37, 3,178,999.01 and 699,426.17 is: 1,049,175.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,259.37 : 3,178,999.01 = 699,426.17 : x
  2. Step 2: Convert to fraction form
    2,119,259.37/3,178,999.01 = 699,426.17/x
  3. Step 3: Cross multiply
    2,119,259.37x = 3,178,999.01 × 699,426.17
  4. Step 4: Simplify right side
    2,119,259.37x = 2,223,475,087,851.66
  5. Step 5: Solve for x
    x = 2,223,475,087,851.66/2,119,259.37
  6. Step 6: Final answer
    x = 1,049,175.54

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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.