Home / 2,118,262.83-3,175,608.51-919,282.02

Finding the Fourth Proportional to 2,118,262.83, 3,175,608.51 and 919,282.02

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Solution

The fourth proportional to 2,118,262.83, 3,175,608.51 and 919,282.02 is: 1,378,148.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,262.83 : 3,175,608.51 = 919,282.02 : x
  2. Step 2: Convert to fraction form
    2,118,262.83/3,175,608.51 = 919,282.02/x
  3. Step 3: Cross multiply
    2,118,262.83x = 3,175,608.51 × 919,282.02
  4. Step 4: Simplify right side
    2,118,262.83x = 2,919,279,805,801.99
  5. Step 5: Solve for x
    x = 2,919,279,805,801.99/2,118,262.83
  6. Step 6: Final answer
    x = 1,378,148.06

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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.