Home / 2,115,353.84-3,174,291.52-767,621.60

Finding the Fourth Proportional to 2,115,353.84, 3,174,291.52 and 767,621.60

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Solution

The fourth proportional to 2,115,353.84, 3,174,291.52 and 767,621.60 is: 1,151,889.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,353.84 : 3,174,291.52 = 767,621.60 : x
  2. Step 2: Convert to fraction form
    2,115,353.84/3,174,291.52 = 767,621.60/x
  3. Step 3: Cross multiply
    2,115,353.84x = 3,174,291.52 × 767,621.60
  4. Step 4: Simplify right side
    2,115,353.84x = 2,436,654,735,448.83
  5. Step 5: Solve for x
    x = 2,436,654,735,448.83/2,115,353.84
  6. Step 6: Final answer
    x = 1,151,889.91

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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.