Home / 2,167,455.90-2,991,187.59-1,200,586.07

Finding the Fourth Proportional to 2,167,455.90, 2,991,187.59 and 1,200,586.07

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Solution

The fourth proportional to 2,167,455.90, 2,991,187.59 and 1,200,586.07 is: 1,656,863.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167,455.90 : 2,991,187.59 = 1,200,586.07 : x
  2. Step 2: Convert to fraction form
    2,167,455.90/2,991,187.59 = 1,200,586.07/x
  3. Step 3: Cross multiply
    2,167,455.90x = 2,991,187.59 × 1,200,586.07
  4. Step 4: Simplify right side
    2,167,455.90x = 3,591,178,138,354.93
  5. Step 5: Solve for x
    x = 3,591,178,138,354.93/2,167,455.90
  6. Step 6: Final answer
    x = 1,656,863.30

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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.