Home / 2,858,706.78-4,288,115.13-699,750.37

Finding the Fourth Proportional to 2,858,706.78, 4,288,115.13 and 699,750.37

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Solution

The fourth proportional to 2,858,706.78, 4,288,115.13 and 699,750.37 is: 1,049,639.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858,706.78 : 4,288,115.13 = 699,750.37 : x
  2. Step 2: Convert to fraction form
    2,858,706.78/4,288,115.13 = 699,750.37/x
  3. Step 3: Cross multiply
    2,858,706.78x = 4,288,115.13 × 699,750.37
  4. Step 4: Simplify right side
    2,858,706.78x = 3,000,610,148,820.10
  5. Step 5: Solve for x
    x = 3,000,610,148,820.10/2,858,706.78
  6. Step 6: Final answer
    x = 1,049,639.01

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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.