Home / 2,138,958-2,951,762.04-1,185,102

Finding the Fourth Proportional to 2,138,958, 2,951,762.04 and 1,185,102

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Solution

The fourth proportional to 2,138,958, 2,951,762.04 and 1,185,102 is: 1,635,440.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,958 : 2,951,762.04 = 1,185,102 : x
  2. Step 2: Convert to fraction form
    2,138,958/2,951,762.04 = 1,185,102/x
  3. Step 3: Cross multiply
    2,138,958x = 2,951,762.04 × 1,185,102
  4. Step 4: Simplify right side
    2,138,958x = 3,498,139,097,128.08
  5. Step 5: Solve for x
    x = 3,498,139,097,128.08/2,138,958
  6. Step 6: Final answer
    x = 1,635,440.76

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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.