Home / 5,739,181.74-7,920,429-3,160,861.86

Finding the Fourth Proportional to 5,739,181.74, 7,920,429 and 3,160,861.86

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Solution

The fourth proportional to 5,739,181.74, 7,920,429 and 3,160,861.86 is: 4,362,186.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,739,181.74 : 7,920,429 = 3,160,861.86 : x
  2. Step 2: Convert to fraction form
    5,739,181.74/7,920,429 = 3,160,861.86/x
  3. Step 3: Cross multiply
    5,739,181.74x = 7,920,429 × 3,160,861.86
  4. Step 4: Simplify right side
    5,739,181.74x = 25,035,381,940,937.94
  5. Step 5: Solve for x
    x = 25,035,381,940,937.94/5,739,181.74
  6. Step 6: Final answer
    x = 4,362,186.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.