Home / 3,717,108.51-5,575,663.05-1,321,047.70

Finding the Fourth Proportional to 3,717,108.51, 5,575,663.05 and 1,321,047.70

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Solution

The fourth proportional to 3,717,108.51, 5,575,663.05 and 1,321,047.70 is: 1,981,571.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717,108.51 : 5,575,663.05 = 1,321,047.70 : x
  2. Step 2: Convert to fraction form
    3,717,108.51/5,575,663.05 = 1,321,047.70/x
  3. Step 3: Cross multiply
    3,717,108.51x = 5,575,663.05 × 1,321,047.70
  4. Step 4: Simplify right side
    3,717,108.51x = 7,365,716,848,177.49
  5. Step 5: Solve for x
    x = 7,365,716,848,177.49/3,717,108.51
  6. Step 6: Final answer
    x = 1,981,571.65

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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.