Home / 2,947,900.07-4,414,764.09-1,681,889.51

Finding the Fourth Proportional to 2,947,900.07, 4,414,764.09 and 1,681,889.51

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Solution

The fourth proportional to 2,947,900.07, 4,414,764.09 and 1,681,889.51 is: 2,518,791.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947,900.07 : 4,414,764.09 = 1,681,889.51 : x
  2. Step 2: Convert to fraction form
    2,947,900.07/4,414,764.09 = 1,681,889.51/x
  3. Step 3: Cross multiply
    2,947,900.07x = 4,414,764.09 × 1,681,889.51
  4. Step 4: Simplify right side
    2,947,900.07x = 7,425,145,412,095.70
  5. Step 5: Solve for x
    x = 7,425,145,412,095.70/2,947,900.07
  6. Step 6: Final answer
    x = 2,518,791.42

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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.