Home / 2,105,994.43-3,159,000.86-666,684.87

Finding the Fourth Proportional to 2,105,994.43, 3,159,000.86 and 666,684.87

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Solution

The fourth proportional to 2,105,994.43, 3,159,000.86 and 666,684.87 is: 1,000,030.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,994.43 : 3,159,000.86 = 666,684.87 : x
  2. Step 2: Convert to fraction form
    2,105,994.43/3,159,000.86 = 666,684.87/x
  3. Step 3: Cross multiply
    2,105,994.43x = 3,159,000.86 × 666,684.87
  4. Step 4: Simplify right side
    2,105,994.43x = 2,106,058,058,550.56
  5. Step 5: Solve for x
    x = 2,106,058,058,550.56/2,105,994.43
  6. Step 6: Final answer
    x = 1,000,030.21

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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.