Home / 6,520,143.30-9,780,166.35-1,971,183.30

Finding the Fourth Proportional to 6,520,143.30, 9,780,166.35 and 1,971,183.30

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Solution

The fourth proportional to 6,520,143.30, 9,780,166.35 and 1,971,183.30 is: 2,956,760.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520,143.30 : 9,780,166.35 = 1,971,183.30 : x
  2. Step 2: Convert to fraction form
    6,520,143.30/9,780,166.35 = 1,971,183.30/x
  3. Step 3: Cross multiply
    6,520,143.30x = 9,780,166.35 × 1,971,183.30
  4. Step 4: Simplify right side
    6,520,143.30x = 19,278,500,580,341.95
  5. Step 5: Solve for x
    x = 19,278,500,580,341.95/6,520,143.30
  6. Step 6: Final answer
    x = 2,956,760.26

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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.