Home / 3,658,465.77-5,486,536.13-3,419,649.60

Finding the Fourth Proportional to 3,658,465.77, 5,486,536.13 and 3,419,649.60

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Solution

The fourth proportional to 3,658,465.77, 5,486,536.13 and 3,419,649.60 is: 5,128,387.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,658,465.77 : 5,486,536.13 = 3,419,649.60 : x
  2. Step 2: Convert to fraction form
    3,658,465.77/5,486,536.13 = 3,419,649.60/x
  3. Step 3: Cross multiply
    3,658,465.77x = 5,486,536.13 × 3,419,649.60
  4. Step 4: Simplify right side
    3,658,465.77x = 18,762,031,065,241.80
  5. Step 5: Solve for x
    x = 18,762,031,065,241.80/3,658,465.77
  6. Step 6: Final answer
    x = 5,128,387.76

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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.