Home / 1,641,814.80-2,462,722.20-1,381,999.20

Finding the Fourth Proportional to 1,641,814.80, 2,462,722.20 and 1,381,999.20

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Solution

The fourth proportional to 1,641,814.80, 2,462,722.20 and 1,381,999.20 is: 2,072,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,814.80 : 2,462,722.20 = 1,381,999.20 : x
  2. Step 2: Convert to fraction form
    1,641,814.80/2,462,722.20 = 1,381,999.20/x
  3. Step 3: Cross multiply
    1,641,814.80x = 2,462,722.20 × 1,381,999.20
  4. Step 4: Simplify right side
    1,641,814.80x = 3,403,480,110,222.24
  5. Step 5: Solve for x
    x = 3,403,480,110,222.24/1,641,814.80
  6. Step 6: Final answer
    x = 2,072,998.80

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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.