Home / 7,806,564-11,720,592-3,970,982.28

Finding the Fourth Proportional to 7,806,564, 11,720,592 and 3,970,982.28

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Solution

The fourth proportional to 7,806,564, 11,720,592 and 3,970,982.28 is: 5,961,939.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,806,564 : 11,720,592 = 3,970,982.28 : x
  2. Step 2: Convert to fraction form
    7,806,564/11,720,592 = 3,970,982.28/x
  3. Step 3: Cross multiply
    7,806,564x = 11,720,592 × 3,970,982.28
  4. Step 4: Simplify right side
    7,806,564x = 46,542,263,143,109.76
  5. Step 5: Solve for x
    x = 46,542,263,143,109.76/7,806,564
  6. Step 6: Final answer
    x = 5,961,939.61

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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.