Home / 1,997,379-2,756,392.74-1,091,961

Finding the Fourth Proportional to 1,997,379, 2,756,392.74 and 1,091,961

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Solution

The fourth proportional to 1,997,379, 2,756,392.74 and 1,091,961 is: 1,506,911.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,379 : 2,756,392.74 = 1,091,961 : x
  2. Step 2: Convert to fraction form
    1,997,379/2,756,392.74 = 1,091,961/x
  3. Step 3: Cross multiply
    1,997,379x = 2,756,392.74 × 1,091,961
  4. Step 4: Simplify right side
    1,997,379x = 3,009,873,372,763.14
  5. Step 5: Solve for x
    x = 3,009,873,372,763.14/1,997,379
  6. Step 6: Final answer
    x = 1,506,911.49

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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.