Home / 2,211,293.80-3,320,439.90-1,679,415.40

Finding the Fourth Proportional to 2,211,293.80, 3,320,439.90 and 1,679,415.40

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Solution

The fourth proportional to 2,211,293.80, 3,320,439.90 and 1,679,415.40 is: 2,521,780.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211,293.80 : 3,320,439.90 = 1,679,415.40 : x
  2. Step 2: Convert to fraction form
    2,211,293.80/3,320,439.90 = 1,679,415.40/x
  3. Step 3: Cross multiply
    2,211,293.80x = 3,320,439.90 × 1,679,415.40
  4. Step 4: Simplify right side
    2,211,293.80x = 5,576,397,902,834.46
  5. Step 5: Solve for x
    x = 5,576,397,902,834.46/2,211,293.80
  6. Step 6: Final answer
    x = 2,521,780.64

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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.