Home / 2,106,142.44-3,156,350.91-890,708.69

Finding the Fourth Proportional to 2,106,142.44, 3,156,350.91 and 890,708.69

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Solution

The fourth proportional to 2,106,142.44, 3,156,350.91 and 890,708.69 is: 1,334,852.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,142.44 : 3,156,350.91 = 890,708.69 : x
  2. Step 2: Convert to fraction form
    2,106,142.44/3,156,350.91 = 890,708.69/x
  3. Step 3: Cross multiply
    2,106,142.44x = 3,156,350.91 × 890,708.69
  4. Step 4: Simplify right side
    2,106,142.44x = 2,811,389,168,444.65
  5. Step 5: Solve for x
    x = 2,811,389,168,444.65/2,106,142.44
  6. Step 6: Final answer
    x = 1,334,852.34

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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.