Home / 4,987,555.50-7,481,649.32-2,108,385.72

Finding the Fourth Proportional to 4,987,555.50, 7,481,649.32 and 2,108,385.72

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Solution

The fourth proportional to 4,987,555.50, 7,481,649.32 and 2,108,385.72 is: 3,162,712.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987,555.50 : 7,481,649.32 = 2,108,385.72 : x
  2. Step 2: Convert to fraction form
    4,987,555.50/7,481,649.32 = 2,108,385.72/x
  3. Step 3: Cross multiply
    4,987,555.50x = 7,481,649.32 × 2,108,385.72
  4. Step 4: Simplify right side
    4,987,555.50x = 15,774,202,565,550.49
  5. Step 5: Solve for x
    x = 15,774,202,565,550.49/4,987,555.50
  6. Step 6: Final answer
    x = 3,162,712.19

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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.