Home / 2,153,558.30-2,971,707.39-1,270,369.80

Finding the Fourth Proportional to 2,153,558.30, 2,971,707.39 and 1,270,369.80

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Solution

The fourth proportional to 2,153,558.30, 2,971,707.39 and 1,270,369.80 is: 1,752,990.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,558.30 : 2,971,707.39 = 1,270,369.80 : x
  2. Step 2: Convert to fraction form
    2,153,558.30/2,971,707.39 = 1,270,369.80/x
  3. Step 3: Cross multiply
    2,153,558.30x = 2,971,707.39 × 1,270,369.80
  4. Step 4: Simplify right side
    2,153,558.30x = 3,775,167,322,692.82
  5. Step 5: Solve for x
    x = 3,775,167,322,692.82/2,153,558.30
  6. Step 6: Final answer
    x = 1,752,990.54

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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.