Home / 1,853,790.30-2,774,780.55-1,322,349.30

Finding the Fourth Proportional to 1,853,790.30, 2,774,780.55 and 1,322,349.30

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Solution

The fourth proportional to 1,853,790.30, 2,774,780.55 and 1,322,349.30 is: 1,979,311.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853,790.30 : 2,774,780.55 = 1,322,349.30 : x
  2. Step 2: Convert to fraction form
    1,853,790.30/2,774,780.55 = 1,322,349.30/x
  3. Step 3: Cross multiply
    1,853,790.30x = 2,774,780.55 × 1,322,349.30
  4. Step 4: Simplify right side
    1,853,790.30x = 3,669,229,117,946.12
  5. Step 5: Solve for x
    x = 3,669,229,117,946.12/1,853,790.30
  6. Step 6: Final answer
    x = 1,979,311.86

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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.