Home / 2,961,010.68-4,089,838.18-2,143,920.76

Finding the Fourth Proportional to 2,961,010.68, 4,089,838.18 and 2,143,920.76

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Solution

The fourth proportional to 2,961,010.68, 4,089,838.18 and 2,143,920.76 is: 2,961,248.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961,010.68 : 4,089,838.18 = 2,143,920.76 : x
  2. Step 2: Convert to fraction form
    2,961,010.68/4,089,838.18 = 2,143,920.76/x
  3. Step 3: Cross multiply
    2,961,010.68x = 4,089,838.18 × 2,143,920.76
  4. Step 4: Simplify right side
    2,961,010.68x = 8,768,288,979,142.62
  5. Step 5: Solve for x
    x = 8,768,288,979,142.62/2,961,010.68
  6. Step 6: Final answer
    x = 2,961,248.68

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Double scale
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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.