Home / 5,214,401.60-7,816,936.80-3,418,145.60

Finding the Fourth Proportional to 5,214,401.60, 7,816,936.80 and 3,418,145.60

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Solution

The fourth proportional to 5,214,401.60, 7,816,936.80 and 3,418,145.60 is: 5,124,160.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214,401.60 : 7,816,936.80 = 3,418,145.60 : x
  2. Step 2: Convert to fraction form
    5,214,401.60/7,816,936.80 = 3,418,145.60/x
  3. Step 3: Cross multiply
    5,214,401.60x = 7,816,936.80 × 3,418,145.60
  4. Step 4: Simplify right side
    5,214,401.60x = 26,719,428,128,398.08
  5. Step 5: Solve for x
    x = 26,719,428,128,398.08/5,214,401.60
  6. Step 6: Final answer
    x = 5,124,160.00

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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.