Home / 4,258,378.80-6,389,563.08-1,861,915.44

Finding the Fourth Proportional to 4,258,378.80, 6,389,563.08 and 1,861,915.44

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Solution

The fourth proportional to 4,258,378.80, 6,389,563.08 and 1,861,915.44 is: 2,793,745.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258,378.80 : 6,389,563.08 = 1,861,915.44 : x
  2. Step 2: Convert to fraction form
    4,258,378.80/6,389,563.08 = 1,861,915.44/x
  3. Step 3: Cross multiply
    4,258,378.80x = 6,389,563.08 × 1,861,915.44
  4. Step 4: Simplify right side
    4,258,378.80x = 11,896,826,153,505.96
  5. Step 5: Solve for x
    x = 11,896,826,153,505.96/4,258,378.80
  6. Step 6: Final answer
    x = 2,793,745.39

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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.