Home / 6,685,945.20-10,028,917.80-1,637,255.70

Finding the Fourth Proportional to 6,685,945.20, 10,028,917.80 and 1,637,255.70

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Solution

The fourth proportional to 6,685,945.20, 10,028,917.80 and 1,637,255.70 is: 2,455,883.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,685,945.20 : 10,028,917.80 = 1,637,255.70 : x
  2. Step 2: Convert to fraction form
    6,685,945.20/10,028,917.80 = 1,637,255.70/x
  3. Step 3: Cross multiply
    6,685,945.20x = 10,028,917.80 × 1,637,255.70
  4. Step 4: Simplify right side
    6,685,945.20x = 16,419,902,832,881.46
  5. Step 5: Solve for x
    x = 16,419,902,832,881.46/6,685,945.20
  6. Step 6: Final answer
    x = 2,455,883.55

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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.