Home / 4,919,914.51-7,382,003.18-2,642,782.10

Finding the Fourth Proportional to 4,919,914.51, 7,382,003.18 and 2,642,782.10

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Solution

The fourth proportional to 4,919,914.51, 7,382,003.18 and 2,642,782.10 is: 3,965,318.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919,914.51 : 7,382,003.18 = 2,642,782.10 : x
  2. Step 2: Convert to fraction form
    4,919,914.51/7,382,003.18 = 2,642,782.10/x
  3. Step 3: Cross multiply
    4,919,914.51x = 7,382,003.18 × 2,642,782.10
  4. Step 4: Simplify right side
    4,919,914.51x = 19,509,025,866,247.08
  5. Step 5: Solve for x
    x = 19,509,025,866,247.08/4,919,914.51
  6. Step 6: Final answer
    x = 3,965,318.06

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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.