Home / 3,777,781.69-5,666,118.90-1,858,177.63

Finding the Fourth Proportional to 3,777,781.69, 5,666,118.90 and 1,858,177.63

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Solution

The fourth proportional to 3,777,781.69, 5,666,118.90 and 1,858,177.63 is: 2,786,994.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777,781.69 : 5,666,118.90 = 1,858,177.63 : x
  2. Step 2: Convert to fraction form
    3,777,781.69/5,666,118.90 = 1,858,177.63/x
  3. Step 3: Cross multiply
    3,777,781.69x = 5,666,118.90 × 1,858,177.63
  4. Step 4: Simplify right side
    3,777,781.69x = 10,528,655,388,900.21
  5. Step 5: Solve for x
    x = 10,528,655,388,900.21/3,777,781.69
  6. Step 6: Final answer
    x = 2,786,994.13

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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.