Home / 2,167,130.64-2,990,662.26-1,307,524.80

Finding the Fourth Proportional to 2,167,130.64, 2,990,662.26 and 1,307,524.80

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Solution

The fourth proportional to 2,167,130.64, 2,990,662.26 and 1,307,524.80 is: 1,804,397.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167,130.64 : 2,990,662.26 = 1,307,524.80 : x
  2. Step 2: Convert to fraction form
    2,167,130.64/2,990,662.26 = 1,307,524.80/x
  3. Step 3: Cross multiply
    2,167,130.64x = 2,990,662.26 × 1,307,524.80
  4. Step 4: Simplify right side
    2,167,130.64x = 3,910,365,073,374.05
  5. Step 5: Solve for x
    x = 3,910,365,073,374.05/2,167,130.64
  6. Step 6: Final answer
    x = 1,804,397.48

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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.