Home / 2,166,668.09-2,989,708.72-1,199,773.52

Finding the Fourth Proportional to 2,166,668.09, 2,989,708.72 and 1,199,773.52

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Solution

The fourth proportional to 2,166,668.09, 2,989,708.72 and 1,199,773.52 is: 1,655,525.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,668.09 : 2,989,708.72 = 1,199,773.52 : x
  2. Step 2: Convert to fraction form
    2,166,668.09/2,989,708.72 = 1,199,773.52/x
  3. Step 3: Cross multiply
    2,166,668.09x = 2,989,708.72 × 1,199,773.52
  4. Step 4: Simplify right side
    2,166,668.09x = 3,586,973,348,032.52
  5. Step 5: Solve for x
    x = 3,586,973,348,032.52/2,166,668.09
  6. Step 6: Final answer
    x = 1,655,525.07

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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.