Home / 1,981,980.69-2,972,331.33-561,655.41

Finding the Fourth Proportional to 1,981,980.69, 2,972,331.33 and 561,655.41

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Solution

The fourth proportional to 1,981,980.69, 2,972,331.33 and 561,655.41 is: 842,301.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,980.69 : 2,972,331.33 = 561,655.41 : x
  2. Step 2: Convert to fraction form
    1,981,980.69/2,972,331.33 = 561,655.41/x
  3. Step 3: Cross multiply
    1,981,980.69x = 2,972,331.33 × 561,655.41
  4. Step 4: Simplify right side
    1,981,980.69x = 1,669,425,971,807.00
  5. Step 5: Solve for x
    x = 1,669,425,971,807.00/1,981,980.69
  6. Step 6: Final answer
    x = 842,301.83

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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.