Home / 2,105,988.46-3,158,991.94-666,678.94

Finding the Fourth Proportional to 2,105,988.46, 3,158,991.94 and 666,678.94

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Solution

The fourth proportional to 2,105,988.46, 3,158,991.94 and 666,678.94 is: 1,000,021.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,988.46 : 3,158,991.94 = 666,678.94 : x
  2. Step 2: Convert to fraction form
    2,105,988.46/3,158,991.94 = 666,678.94/x
  3. Step 3: Cross multiply
    2,105,988.46x = 3,158,991.94 × 666,678.94
  4. Step 4: Simplify right side
    2,105,988.46x = 2,106,033,398,027.74
  5. Step 5: Solve for x
    x = 2,106,033,398,027.74/2,105,988.46
  6. Step 6: Final answer
    x = 1,000,021.34

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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.