Home / 2,272,618.40-3,412,864.20-1,209,736.40

Finding the Fourth Proportional to 2,272,618.40, 3,412,864.20 and 1,209,736.40

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Solution

The fourth proportional to 2,272,618.40, 3,412,864.20 and 1,209,736.40 is: 1,816,700.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272,618.40 : 3,412,864.20 = 1,209,736.40 : x
  2. Step 2: Convert to fraction form
    2,272,618.40/3,412,864.20 = 1,209,736.40/x
  3. Step 3: Cross multiply
    2,272,618.40x = 3,412,864.20 × 1,209,736.40
  4. Step 4: Simplify right side
    2,272,618.40x = 4,128,666,050,996.88
  5. Step 5: Solve for x
    x = 4,128,666,050,996.88/2,272,618.40
  6. Step 6: Final answer
    x = 1,816,700.09

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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.