Home / 4,481,780.40-6,721,795.80-1,489,964.40

Finding the Fourth Proportional to 4,481,780.40, 6,721,795.80 and 1,489,964.40

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Solution

The fourth proportional to 4,481,780.40, 6,721,795.80 and 1,489,964.40 is: 2,234,655.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,481,780.40 : 6,721,795.80 = 1,489,964.40 : x
  2. Step 2: Convert to fraction form
    4,481,780.40/6,721,795.80 = 1,489,964.40/x
  3. Step 3: Cross multiply
    4,481,780.40x = 6,721,795.80 × 1,489,964.40
  4. Step 4: Simplify right side
    4,481,780.40x = 10,015,236,446,069.52
  5. Step 5: Solve for x
    x = 10,015,236,446,069.52/4,481,780.40
  6. Step 6: Final answer
    x = 2,234,655.77

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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.