Home / 1,997,372-2,756,541.29-1,222,999.04

Finding the Fourth Proportional to 1,997,372, 2,756,541.29 and 1,222,999.04

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Solution

The fourth proportional to 1,997,372, 2,756,541.29 and 1,222,999.04 is: 1,687,841.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,372 : 2,756,541.29 = 1,222,999.04 : x
  2. Step 2: Convert to fraction form
    1,997,372/2,756,541.29 = 1,222,999.04/x
  3. Step 3: Cross multiply
    1,997,372x = 2,756,541.29 × 1,222,999.04
  4. Step 4: Simplify right side
    1,997,372x = 3,371,247,351,390.36
  5. Step 5: Solve for x
    x = 3,371,247,351,390.36/1,997,372
  6. Step 6: Final answer
    x = 1,687,841.50

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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.