Home / 2,086,724.45-3,130,298.09-720,320.06

Finding the Fourth Proportional to 2,086,724.45, 3,130,298.09 and 720,320.06

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Solution

The fourth proportional to 2,086,724.45, 3,130,298.09 and 720,320.06 is: 1,080,553.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,724.45 : 3,130,298.09 = 720,320.06 : x
  2. Step 2: Convert to fraction form
    2,086,724.45/3,130,298.09 = 720,320.06/x
  3. Step 3: Cross multiply
    2,086,724.45x = 3,130,298.09 × 720,320.06
  4. Step 4: Simplify right side
    2,086,724.45x = 2,254,816,508,006.69
  5. Step 5: Solve for x
    x = 2,254,816,508,006.69/2,086,724.45
  6. Step 6: Final answer
    x = 1,080,553.07

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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.