Home / 1,618,893.86-2,234,365.96-965,561.76

Finding the Fourth Proportional to 1,618,893.86, 2,234,365.96 and 965,561.76

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Solution

The fourth proportional to 1,618,893.86, 2,234,365.96 and 965,561.76 is: 1,332,649.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,893.86 : 2,234,365.96 = 965,561.76 : x
  2. Step 2: Convert to fraction form
    1,618,893.86/2,234,365.96 = 965,561.76/x
  3. Step 3: Cross multiply
    1,618,893.86x = 2,234,365.96 × 965,561.76
  4. Step 4: Simplify right side
    1,618,893.86x = 2,157,418,328,821.69
  5. Step 5: Solve for x
    x = 2,157,418,328,821.69/1,618,893.86
  6. Step 6: Final answer
    x = 1,332,649.65

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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.