Home / 2,818,729.65-3,889,857.39-1,529,570.31

Finding the Fourth Proportional to 2,818,729.65, 3,889,857.39 and 1,529,570.31

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Solution

The fourth proportional to 2,818,729.65, 3,889,857.39 and 1,529,570.31 is: 2,110,812.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818,729.65 : 3,889,857.39 = 1,529,570.31 : x
  2. Step 2: Convert to fraction form
    2,818,729.65/3,889,857.39 = 1,529,570.31/x
  3. Step 3: Cross multiply
    2,818,729.65x = 3,889,857.39 × 1,529,570.31
  4. Step 4: Simplify right side
    2,818,729.65x = 5,949,810,373,878.09
  5. Step 5: Solve for x
    x = 5,949,810,373,878.09/2,818,729.65
  6. Step 6: Final answer
    x = 2,110,812.71

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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.