Home / 3,111,879.06-4,669,918.11-1,218,384.18

Finding the Fourth Proportional to 3,111,879.06, 4,669,918.11 and 1,218,384.18

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Solution

The fourth proportional to 3,111,879.06, 4,669,918.11 and 1,218,384.18 is: 1,828,398.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,879.06 : 4,669,918.11 = 1,218,384.18 : x
  2. Step 2: Convert to fraction form
    3,111,879.06/4,669,918.11 = 1,218,384.18/x
  3. Step 3: Cross multiply
    3,111,879.06x = 4,669,918.11 × 1,218,384.18
  4. Step 4: Simplify right side
    3,111,879.06x = 5,689,754,347,119.50
  5. Step 5: Solve for x
    x = 5,689,754,347,119.50/3,111,879.06
  6. Step 6: Final answer
    x = 1,828,398.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.