Home / 2,680,466.42-4,020,794.34-858,594.61

Finding the Fourth Proportional to 2,680,466.42, 4,020,794.34 and 858,594.61

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Solution

The fourth proportional to 2,680,466.42, 4,020,794.34 and 858,594.61 is: 1,287,922.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,466.42 : 4,020,794.34 = 858,594.61 : x
  2. Step 2: Convert to fraction form
    2,680,466.42/4,020,794.34 = 858,594.61/x
  3. Step 3: Cross multiply
    2,680,466.42x = 4,020,794.34 × 858,594.61
  4. Step 4: Simplify right side
    2,680,466.42x = 3,452,232,338,190.52
  5. Step 5: Solve for x
    x = 3,452,232,338,190.52/2,680,466.42
  6. Step 6: Final answer
    x = 1,287,922.25

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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.