Home / 3,778,422.60-5,678,693.10-3,291,817.80

Finding the Fourth Proportional to 3,778,422.60, 5,678,693.10 and 3,291,817.80

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Solution

The fourth proportional to 3,778,422.60, 5,678,693.10 and 3,291,817.80 is: 4,947,361.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778,422.60 : 5,678,693.10 = 3,291,817.80 : x
  2. Step 2: Convert to fraction form
    3,778,422.60/5,678,693.10 = 3,291,817.80/x
  3. Step 3: Cross multiply
    3,778,422.60x = 5,678,693.10 × 3,291,817.80
  4. Step 4: Simplify right side
    3,778,422.60x = 18,693,223,027,317.18
  5. Step 5: Solve for x
    x = 18,693,223,027,317.18/3,778,422.60
  6. Step 6: Final answer
    x = 4,947,361.64

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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.