Home / 2,876,142.38-3,971,083.07-1,788,902.67

Finding the Fourth Proportional to 2,876,142.38, 3,971,083.07 and 1,788,902.67

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Solution

The fourth proportional to 2,876,142.38, 3,971,083.07 and 1,788,902.67 is: 2,469,933.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876,142.38 : 3,971,083.07 = 1,788,902.67 : x
  2. Step 2: Convert to fraction form
    2,876,142.38/3,971,083.07 = 1,788,902.67/x
  3. Step 3: Cross multiply
    2,876,142.38x = 3,971,083.07 × 1,788,902.67
  4. Step 4: Simplify right side
    2,876,142.38x = 7,103,881,093,678.70
  5. Step 5: Solve for x
    x = 7,103,881,093,678.70/2,876,142.38
  6. Step 6: Final answer
    x = 2,469,933.74

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1.5x scale

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.