Home / 1,672,546.74-2,308,040.55-947,379.87

Finding the Fourth Proportional to 1,672,546.74, 2,308,040.55 and 947,379.87

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Solution

The fourth proportional to 1,672,546.74, 2,308,040.55 and 947,379.87 is: 1,307,342.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,546.74 : 2,308,040.55 = 947,379.87 : x
  2. Step 2: Convert to fraction form
    1,672,546.74/2,308,040.55 = 947,379.87/x
  3. Step 3: Cross multiply
    1,672,546.74x = 2,308,040.55 × 947,379.87
  4. Step 4: Simplify right side
    1,672,546.74x = 2,186,591,156,213.73
  5. Step 5: Solve for x
    x = 2,186,591,156,213.73/1,672,546.74
  6. Step 6: Final answer
    x = 1,307,342.33

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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.