Home / 2,856,913.47-4,286,485.35-1,258,355.79

Finding the Fourth Proportional to 2,856,913.47, 4,286,485.35 and 1,258,355.79

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Solution

The fourth proportional to 2,856,913.47, 4,286,485.35 and 1,258,355.79 is: 1,888,024.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856,913.47 : 4,286,485.35 = 1,258,355.79 : x
  2. Step 2: Convert to fraction form
    2,856,913.47/4,286,485.35 = 1,258,355.79/x
  3. Step 3: Cross multiply
    2,856,913.47x = 4,286,485.35 × 1,258,355.79
  4. Step 4: Simplify right side
    2,856,913.47x = 5,393,923,658,922.68
  5. Step 5: Solve for x
    x = 5,393,923,658,922.68/2,856,913.47
  6. Step 6: Final answer
    x = 1,888,024.86

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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.