Home / 6,719,116.56-10,078,711.84-1,670,427.06

Finding the Fourth Proportional to 6,719,116.56, 10,078,711.84 and 1,670,427.06

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Solution

The fourth proportional to 6,719,116.56, 10,078,711.84 and 1,670,427.06 is: 2,505,649.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,719,116.56 : 10,078,711.84 = 1,670,427.06 : x
  2. Step 2: Convert to fraction form
    6,719,116.56/10,078,711.84 = 1,670,427.06/x
  3. Step 3: Cross multiply
    6,719,116.56x = 10,078,711.84 × 1,670,427.06
  4. Step 4: Simplify right side
    6,719,116.56x = 16,835,752,987,478.39
  5. Step 5: Solve for x
    x = 16,835,752,987,478.39/6,719,116.56
  6. Step 6: Final answer
    x = 2,505,649.79

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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.