Home / 1,218,805.47-1,828,908.24-951,816.51

Finding the Fourth Proportional to 1,218,805.47, 1,828,908.24 and 951,816.51

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Solution

The fourth proportional to 1,218,805.47, 1,828,908.24 and 951,816.51 is: 1,428,271.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,805.47 : 1,828,908.24 = 951,816.51 : x
  2. Step 2: Convert to fraction form
    1,218,805.47/1,828,908.24 = 951,816.51/x
  3. Step 3: Cross multiply
    1,218,805.47x = 1,828,908.24 × 951,816.51
  4. Step 4: Simplify right side
    1,218,805.47x = 1,740,785,058,107.04
  5. Step 5: Solve for x
    x = 1,740,785,058,107.04/1,218,805.47
  6. Step 6: Final answer
    x = 1,428,271.45

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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.