Home / 4,317,779.20-6,471,484.80-1,792,134.40

Finding the Fourth Proportional to 4,317,779.20, 6,471,484.80 and 1,792,134.40

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Solution

The fourth proportional to 4,317,779.20, 6,471,484.80 and 1,792,134.40 is: 2,686,049.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,317,779.20 : 6,471,484.80 = 1,792,134.40 : x
  2. Step 2: Convert to fraction form
    4,317,779.20/6,471,484.80 = 1,792,134.40/x
  3. Step 3: Cross multiply
    4,317,779.20x = 6,471,484.80 × 1,792,134.40
  4. Step 4: Simplify right side
    4,317,779.20x = 11,597,770,529,157.12
  5. Step 5: Solve for x
    x = 11,597,770,529,157.12/4,317,779.20
  6. Step 6: Final answer
    x = 2,686,049.93

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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.