Home / 5,377,419.23-7,420,745.14-2,930,050.40

Finding the Fourth Proportional to 5,377,419.23, 7,420,745.14 and 2,930,050.40

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Solution

The fourth proportional to 5,377,419.23, 7,420,745.14 and 2,930,050.40 is: 4,043,418.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377,419.23 : 7,420,745.14 = 2,930,050.40 : x
  2. Step 2: Convert to fraction form
    5,377,419.23/7,420,745.14 = 2,930,050.40/x
  3. Step 3: Cross multiply
    5,377,419.23x = 7,420,745.14 × 2,930,050.40
  4. Step 4: Simplify right side
    5,377,419.23x = 21,743,157,221,326.20
  5. Step 5: Solve for x
    x = 21,743,157,221,326.20/5,377,419.23
  6. Step 6: Final answer
    x = 4,043,418.66

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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.