Home / 3,485,218.80-5,227,828.20-926,428.80

Finding the Fourth Proportional to 3,485,218.80, 5,227,828.20 and 926,428.80

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Solution

The fourth proportional to 3,485,218.80, 5,227,828.20 and 926,428.80 is: 1,389,643.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485,218.80 : 5,227,828.20 = 926,428.80 : x
  2. Step 2: Convert to fraction form
    3,485,218.80/5,227,828.20 = 926,428.80/x
  3. Step 3: Cross multiply
    3,485,218.80x = 5,227,828.20 × 926,428.80
  4. Step 4: Simplify right side
    3,485,218.80x = 4,843,210,605,932.16
  5. Step 5: Solve for x
    x = 4,843,210,605,932.16/3,485,218.80
  6. Step 6: Final answer
    x = 1,389,643.20

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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.