Home / 1,989,814.91-2,984,722.36-493,906.91

Finding the Fourth Proportional to 1,989,814.91, 2,984,722.36 and 493,906.91

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Solution

The fourth proportional to 1,989,814.91, 2,984,722.36 and 493,906.91 is: 740,860.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,814.91 : 2,984,722.36 = 493,906.91 : x
  2. Step 2: Convert to fraction form
    1,989,814.91/2,984,722.36 = 493,906.91/x
  3. Step 3: Cross multiply
    1,989,814.91x = 2,984,722.36 × 493,906.91
  4. Step 4: Simplify right side
    1,989,814.91x = 1,474,174,981,877.13
  5. Step 5: Solve for x
    x = 1,474,174,981,877.13/1,989,814.91
  6. Step 6: Final answer
    x = 740,860.36

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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.