Home / 2,154,471.64-2,973,170.10-1,187,618.08

Finding the Fourth Proportional to 2,154,471.64, 2,973,170.10 and 1,187,618.08

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Solution

The fourth proportional to 2,154,471.64, 2,973,170.10 and 1,187,618.08 is: 1,638,912.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,471.64 : 2,973,170.10 = 1,187,618.08 : x
  2. Step 2: Convert to fraction form
    2,154,471.64/2,973,170.10 = 1,187,618.08/x
  3. Step 3: Cross multiply
    2,154,471.64x = 2,973,170.10 × 1,187,618.08
  4. Step 4: Simplify right side
    2,154,471.64x = 3,530,990,565,675.41
  5. Step 5: Solve for x
    x = 3,530,990,565,675.41/2,154,471.64
  6. Step 6: Final answer
    x = 1,638,912.53

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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.