Home / 5,320,065.67-7,981,220.55-1,725,553.47

Finding the Fourth Proportional to 5,320,065.67, 7,981,220.55 and 1,725,553.47

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Solution

The fourth proportional to 5,320,065.67, 7,981,220.55 and 1,725,553.47 is: 2,588,694.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320,065.67 : 7,981,220.55 = 1,725,553.47 : x
  2. Step 2: Convert to fraction form
    5,320,065.67/7,981,220.55 = 1,725,553.47/x
  3. Step 3: Cross multiply
    5,320,065.67x = 7,981,220.55 × 1,725,553.47
  4. Step 4: Simplify right side
    5,320,065.67x = 13,772,022,814,887.81
  5. Step 5: Solve for x
    x = 13,772,022,814,887.81/5,320,065.67
  6. Step 6: Final answer
    x = 2,588,694.14

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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.