Home / 3,313,254.40-4,969,881.60-2,118,860.80

Finding the Fourth Proportional to 3,313,254.40, 4,969,881.60 and 2,118,860.80

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Solution

The fourth proportional to 3,313,254.40, 4,969,881.60 and 2,118,860.80 is: 3,178,291.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313,254.40 : 4,969,881.60 = 2,118,860.80 : x
  2. Step 2: Convert to fraction form
    3,313,254.40/4,969,881.60 = 2,118,860.80/x
  3. Step 3: Cross multiply
    3,313,254.40x = 4,969,881.60 × 2,118,860.80
  4. Step 4: Simplify right side
    3,313,254.40x = 10,530,487,302,881.28
  5. Step 5: Solve for x
    x = 10,530,487,302,881.28/3,313,254.40
  6. Step 6: Final answer
    x = 3,178,291.20

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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.