Home / 2,185,868.13-3,016,492.16-1,218,999.48

Finding the Fourth Proportional to 2,185,868.13, 3,016,492.16 and 1,218,999.48

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Solution

The fourth proportional to 2,185,868.13, 3,016,492.16 and 1,218,999.48 is: 1,682,216.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,868.13 : 3,016,492.16 = 1,218,999.48 : x
  2. Step 2: Convert to fraction form
    2,185,868.13/3,016,492.16 = 1,218,999.48/x
  3. Step 3: Cross multiply
    2,185,868.13x = 3,016,492.16 × 1,218,999.48
  4. Step 4: Simplify right side
    2,185,868.13x = 3,677,102,368,369.08
  5. Step 5: Solve for x
    x = 3,677,102,368,369.08/2,185,868.13
  6. Step 6: Final answer
    x = 1,682,216.01

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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.