Home / 1,965,061.36-2,711,809.62-1,105,623.28

Finding the Fourth Proportional to 1,965,061.36, 2,711,809.62 and 1,105,623.28

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Solution

The fourth proportional to 1,965,061.36, 2,711,809.62 and 1,105,623.28 is: 1,525,774.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,061.36 : 2,711,809.62 = 1,105,623.28 : x
  2. Step 2: Convert to fraction form
    1,965,061.36/2,711,809.62 = 1,105,623.28/x
  3. Step 3: Cross multiply
    1,965,061.36x = 2,711,809.62 × 1,105,623.28
  4. Step 4: Simplify right side
    1,965,061.36x = 2,998,239,846,799.95
  5. Step 5: Solve for x
    x = 2,998,239,846,799.95/1,965,061.36
  6. Step 6: Final answer
    x = 1,525,774.16

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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.