Home / 2,619,432-3,929,623.92-1,082,431.13

Finding the Fourth Proportional to 2,619,432, 3,929,623.92 and 1,082,431.13

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Solution

The fourth proportional to 2,619,432, 3,929,623.92 and 1,082,431.13 is: 1,623,843.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619,432 : 3,929,623.92 = 1,082,431.13 : x
  2. Step 2: Convert to fraction form
    2,619,432/3,929,623.92 = 1,082,431.13/x
  3. Step 3: Cross multiply
    2,619,432x = 3,929,623.92 × 1,082,431.13
  4. Step 4: Simplify right side
    2,619,432x = 4,253,547,240,552.51
  5. Step 5: Solve for x
    x = 4,253,547,240,552.51/2,619,432
  6. Step 6: Final answer
    x = 1,623,843.35

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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.