Home / 1,877,658.82-2,591,169.86-1,018,218.85

Finding the Fourth Proportional to 1,877,658.82, 2,591,169.86 and 1,018,218.85

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Solution

The fourth proportional to 1,877,658.82, 2,591,169.86 and 1,018,218.85 is: 1,405,142.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877,658.82 : 2,591,169.86 = 1,018,218.85 : x
  2. Step 2: Convert to fraction form
    1,877,658.82/2,591,169.86 = 1,018,218.85/x
  3. Step 3: Cross multiply
    1,877,658.82x = 2,591,169.86 × 1,018,218.85
  4. Step 4: Simplify right side
    1,877,658.82x = 2,638,377,995,003.86
  5. Step 5: Solve for x
    x = 2,638,377,995,003.86/1,877,658.82
  6. Step 6: Final answer
    x = 1,405,142.39

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1.5x scale

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.