Home / 3,893,420.16-5,375,286.90-2,671,732.80

Finding the Fourth Proportional to 3,893,420.16, 5,375,286.90 and 2,671,732.80

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Solution

The fourth proportional to 3,893,420.16, 5,375,286.90 and 2,671,732.80 is: 3,688,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893,420.16 : 5,375,286.90 = 2,671,732.80 : x
  2. Step 2: Convert to fraction form
    3,893,420.16/5,375,286.90 = 2,671,732.80/x
  3. Step 3: Cross multiply
    3,893,420.16x = 5,375,286.90 × 2,671,732.80
  4. Step 4: Simplify right side
    3,893,420.16x = 14,361,330,320,140.32
  5. Step 5: Solve for x
    x = 14,361,330,320,140.32/3,893,420.16
  6. Step 6: Final answer
    x = 3,688,615.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.