Home / 1,826,016.16-2,519,900.40-1,021,200.16

Finding the Fourth Proportional to 1,826,016.16, 2,519,900.40 and 1,021,200.16

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Solution

The fourth proportional to 1,826,016.16, 2,519,900.40 and 1,021,200.16 is: 1,409,255.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826,016.16 : 2,519,900.40 = 1,021,200.16 : x
  2. Step 2: Convert to fraction form
    1,826,016.16/2,519,900.40 = 1,021,200.16/x
  3. Step 3: Cross multiply
    1,826,016.16x = 2,519,900.40 × 1,021,200.16
  4. Step 4: Simplify right side
    1,826,016.16x = 2,573,322,691,664.06
  5. Step 5: Solve for x
    x = 2,573,322,691,664.06/1,826,016.16
  6. Step 6: Final answer
    x = 1,409,255.16

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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.