Home / 3,085,838.91-4,258,489.01-1,861,907.58

Finding the Fourth Proportional to 3,085,838.91, 4,258,489.01 and 1,861,907.58

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Solution

The fourth proportional to 3,085,838.91, 4,258,489.01 and 1,861,907.58 is: 2,569,451.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085,838.91 : 4,258,489.01 = 1,861,907.58 : x
  2. Step 2: Convert to fraction form
    3,085,838.91/4,258,489.01 = 1,861,907.58/x
  3. Step 3: Cross multiply
    3,085,838.91x = 4,258,489.01 × 1,861,907.58
  4. Step 4: Simplify right side
    3,085,838.91x = 7,928,912,957,756.16
  5. Step 5: Solve for x
    x = 7,928,912,957,756.16/3,085,838.91
  6. Step 6: Final answer
    x = 2,569,451.35

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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.