Home / 2,126,409.69-3,191,714.07-929,158.41

Finding the Fourth Proportional to 2,126,409.69, 3,191,714.07 and 929,158.41

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Solution

The fourth proportional to 2,126,409.69, 3,191,714.07 and 929,158.41 is: 1,394,655.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,409.69 : 3,191,714.07 = 929,158.41 : x
  2. Step 2: Convert to fraction form
    2,126,409.69/3,191,714.07 = 929,158.41/x
  3. Step 3: Cross multiply
    2,126,409.69x = 3,191,714.07 × 929,158.41
  4. Step 4: Simplify right side
    2,126,409.69x = 2,965,607,970,455.83
  5. Step 5: Solve for x
    x = 2,965,607,970,455.83/2,126,409.69
  6. Step 6: Final answer
    x = 1,394,655.03

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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.