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Finding the Fourth Proportional to 2,899,324.80, 4,352,486.40 and 2,878,329.60

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Solution

The fourth proportional to 2,899,324.80, 4,352,486.40 and 2,878,329.60 is: 4,320,968.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,899,324.80 : 4,352,486.40 = 2,878,329.60 : x
  2. Step 2: Convert to fraction form
    2,899,324.80/4,352,486.40 = 2,878,329.60/x
  3. Step 3: Cross multiply
    2,899,324.80x = 4,352,486.40 × 2,878,329.60
  4. Step 4: Simplify right side
    2,899,324.80x = 12,527,890,438,717.44
  5. Step 5: Solve for x
    x = 12,527,890,438,717.44/2,899,324.80
  6. Step 6: Final answer
    x = 4,320,968.26

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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.