Home / 5,078,174.76-7,008,003.50-2,786,333.63

Finding the Fourth Proportional to 5,078,174.76, 7,008,003.50 and 2,786,333.63

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Solution

The fourth proportional to 5,078,174.76, 7,008,003.50 and 2,786,333.63 is: 3,845,207.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078,174.76 : 7,008,003.50 = 2,786,333.63 : x
  2. Step 2: Convert to fraction form
    5,078,174.76/7,008,003.50 = 2,786,333.63/x
  3. Step 3: Cross multiply
    5,078,174.76x = 7,008,003.50 × 2,786,333.63
  4. Step 4: Simplify right side
    5,078,174.76x = 19,526,635,782,236.02
  5. Step 5: Solve for x
    x = 19,526,635,782,236.02/5,078,174.76
  6. Step 6: Final answer
    x = 3,845,207.52

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Double scale
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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.