Home / 6,467,955.32-9,701,940.66-1,980,208.76

Finding the Fourth Proportional to 6,467,955.32, 9,701,940.66 and 1,980,208.76

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Solution

The fourth proportional to 6,467,955.32, 9,701,940.66 and 1,980,208.76 is: 2,970,315.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,467,955.32 : 9,701,940.66 = 1,980,208.76 : x
  2. Step 2: Convert to fraction form
    6,467,955.32/9,701,940.66 = 1,980,208.76/x
  3. Step 3: Cross multiply
    6,467,955.32x = 9,701,940.66 × 1,980,208.76
  4. Step 4: Simplify right side
    6,467,955.32x = 19,211,867,883,932.18
  5. Step 5: Solve for x
    x = 19,211,867,883,932.18/6,467,955.32
  6. Step 6: Final answer
    x = 2,970,315.49

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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.