Home / 1,916,231.31-2,874,347.37-779,612.04

Finding the Fourth Proportional to 1,916,231.31, 2,874,347.37 and 779,612.04

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Solution

The fourth proportional to 1,916,231.31, 2,874,347.37 and 779,612.04 is: 1,169,418.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,231.31 : 2,874,347.37 = 779,612.04 : x
  2. Step 2: Convert to fraction form
    1,916,231.31/2,874,347.37 = 779,612.04/x
  3. Step 3: Cross multiply
    1,916,231.31x = 2,874,347.37 × 779,612.04
  4. Step 4: Simplify right side
    1,916,231.31x = 2,240,875,816,794.34
  5. Step 5: Solve for x
    x = 2,240,875,816,794.34/1,916,231.31
  6. Step 6: Final answer
    x = 1,169,418.22

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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.