Home / 3,177,712.32-4,385,211.82-1,727,321.46

Finding the Fourth Proportional to 3,177,712.32, 4,385,211.82 and 1,727,321.46

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Solution

The fourth proportional to 3,177,712.32, 4,385,211.82 and 1,727,321.46 is: 2,383,686.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177,712.32 : 4,385,211.82 = 1,727,321.46 : x
  2. Step 2: Convert to fraction form
    3,177,712.32/4,385,211.82 = 1,727,321.46/x
  3. Step 3: Cross multiply
    3,177,712.32x = 4,385,211.82 × 1,727,321.46
  4. Step 4: Simplify right side
    3,177,712.32x = 7,574,670,483,331.66
  5. Step 5: Solve for x
    x = 7,574,670,483,331.66/3,177,712.32
  6. Step 6: Final answer
    x = 2,383,686.67

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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.