Home / 2,163,162.40-2,984,262.10-1,245,171.88

Finding the Fourth Proportional to 2,163,162.40, 2,984,262.10 and 1,245,171.88

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Solution

The fourth proportional to 2,163,162.40, 2,984,262.10 and 1,245,171.88 is: 1,717,817.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163,162.40 : 2,984,262.10 = 1,245,171.88 : x
  2. Step 2: Convert to fraction form
    2,163,162.40/2,984,262.10 = 1,245,171.88/x
  3. Step 3: Cross multiply
    2,163,162.40x = 2,984,262.10 × 1,245,171.88
  4. Step 4: Simplify right side
    2,163,162.40x = 3,715,919,249,469.75
  5. Step 5: Solve for x
    x = 3,715,919,249,469.75/2,163,162.40
  6. Step 6: Final answer
    x = 1,717,817.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.