Home / 2,185,868.38-3,016,492.50-1,218,999.76

Finding the Fourth Proportional to 2,185,868.38, 3,016,492.50 and 1,218,999.76

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Solution

The fourth proportional to 2,185,868.38, 3,016,492.50 and 1,218,999.76 is: 1,682,216.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,868.38 : 3,016,492.50 = 1,218,999.76 : x
  2. Step 2: Convert to fraction form
    2,185,868.38/3,016,492.50 = 1,218,999.76/x
  3. Step 3: Cross multiply
    2,185,868.38x = 3,016,492.50 × 1,218,999.76
  4. Step 4: Simplify right side
    2,185,868.38x = 3,677,103,633,541.80
  5. Step 5: Solve for x
    x = 3,677,103,633,541.80/2,185,868.38
  6. Step 6: Final answer
    x = 1,682,216.40

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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.