Home / 2,185,912.24-3,015,529.36-1,421,686.96

Finding the Fourth Proportional to 2,185,912.24, 3,015,529.36 and 1,421,686.96

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Solution

The fourth proportional to 2,185,912.24, 3,015,529.36 and 1,421,686.96 is: 1,961,258.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,912.24 : 3,015,529.36 = 1,421,686.96 : x
  2. Step 2: Convert to fraction form
    2,185,912.24/3,015,529.36 = 1,421,686.96/x
  3. Step 3: Cross multiply
    2,185,912.24x = 3,015,529.36 × 1,421,686.96
  4. Step 4: Simplify right side
    2,185,912.24x = 4,287,138,768,609.15
  5. Step 5: Solve for x
    x = 4,287,138,768,609.15/2,185,912.24
  6. Step 6: Final answer
    x = 1,961,258.41

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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.