Home / 1,991,832.30-2,983,811.85-1,091,663.10

Finding the Fourth Proportional to 1,991,832.30, 2,983,811.85 and 1,091,663.10

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Solution

The fourth proportional to 1,991,832.30, 2,983,811.85 and 1,091,663.10 is: 1,635,337.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,832.30 : 2,983,811.85 = 1,091,663.10 : x
  2. Step 2: Convert to fraction form
    1,991,832.30/2,983,811.85 = 1,091,663.10/x
  3. Step 3: Cross multiply
    1,991,832.30x = 2,983,811.85 × 1,091,663.10
  4. Step 4: Simplify right side
    1,991,832.30x = 3,257,317,293,987.74
  5. Step 5: Solve for x
    x = 3,257,317,293,987.74/1,991,832.30
  6. Step 6: Final answer
    x = 1,635,337.12

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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.