Home / 2,585,280.34-3,878,793.95-1,145,766.87

Finding the Fourth Proportional to 2,585,280.34, 3,878,793.95 and 1,145,766.87

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Solution

The fourth proportional to 2,585,280.34, 3,878,793.95 and 1,145,766.87 is: 1,719,037.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,585,280.34 : 3,878,793.95 = 1,145,766.87 : x
  2. Step 2: Convert to fraction form
    2,585,280.34/3,878,793.95 = 1,145,766.87/x
  3. Step 3: Cross multiply
    2,585,280.34x = 3,878,793.95 × 1,145,766.87
  4. Step 4: Simplify right side
    2,585,280.34x = 4,444,193,597,737.60
  5. Step 5: Solve for x
    x = 4,444,193,597,737.60/2,585,280.34
  6. Step 6: Final answer
    x = 1,719,037.40

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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.