Home / 2,397,316.48-3,308,397.12-1,378,721.92

Finding the Fourth Proportional to 2,397,316.48, 3,308,397.12 and 1,378,721.92

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Solution

The fourth proportional to 2,397,316.48, 3,308,397.12 and 1,378,721.92 is: 1,902,693.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,397,316.48 : 3,308,397.12 = 1,378,721.92 : x
  2. Step 2: Convert to fraction form
    2,397,316.48/3,308,397.12 = 1,378,721.92/x
  3. Step 3: Cross multiply
    2,397,316.48x = 3,308,397.12 × 1,378,721.92
  4. Step 4: Simplify right side
    2,397,316.48x = 4,561,359,629,408.87
  5. Step 5: Solve for x
    x = 4,561,359,629,408.87/2,397,316.48
  6. Step 6: Final answer
    x = 1,902,693.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.