Home / 2,811,992.36-3,881,568.40-1,845,435.56

Finding the Fourth Proportional to 2,811,992.36, 3,881,568.40 and 1,845,435.56

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Solution

The fourth proportional to 2,811,992.36, 3,881,568.40 and 1,845,435.56 is: 2,547,369.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,992.36 : 3,881,568.40 = 1,845,435.56 : x
  2. Step 2: Convert to fraction form
    2,811,992.36/3,881,568.40 = 1,845,435.56/x
  3. Step 3: Cross multiply
    2,811,992.36x = 3,881,568.40 × 1,845,435.56
  4. Step 4: Simplify right side
    2,811,992.36x = 7,163,184,353,932.30
  5. Step 5: Solve for x
    x = 7,163,184,353,932.30/2,811,992.36
  6. Step 6: Final answer
    x = 2,547,369.78

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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.