Home / 2,653,738.45-3,980,611.76-807,266.70

Finding the Fourth Proportional to 2,653,738.45, 3,980,611.76 and 807,266.70

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Solution

The fourth proportional to 2,653,738.45, 3,980,611.76 and 807,266.70 is: 1,210,901.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,653,738.45 : 3,980,611.76 = 807,266.70 : x
  2. Step 2: Convert to fraction form
    2,653,738.45/3,980,611.76 = 807,266.70/x
  3. Step 3: Cross multiply
    2,653,738.45x = 3,980,611.76 × 807,266.70
  4. Step 4: Simplify right side
    2,653,738.45x = 3,213,415,315,440.06
  5. Step 5: Solve for x
    x = 3,213,415,315,440.06/2,653,738.45
  6. Step 6: Final answer
    x = 1,210,901.29

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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.