Home / 2,103,506.28-3,156,679.14-823,955.03

Finding the Fourth Proportional to 2,103,506.28, 3,156,679.14 and 823,955.03

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Solution

The fourth proportional to 2,103,506.28, 3,156,679.14 and 823,955.03 is: 1,236,488.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,506.28 : 3,156,679.14 = 823,955.03 : x
  2. Step 2: Convert to fraction form
    2,103,506.28/3,156,679.14 = 823,955.03/x
  3. Step 3: Cross multiply
    2,103,506.28x = 3,156,679.14 × 823,955.03
  4. Step 4: Simplify right side
    2,103,506.28x = 2,600,961,668,537.09
  5. Step 5: Solve for x
    x = 2,600,961,668,537.09/2,103,506.28
  6. Step 6: Final answer
    x = 1,236,488.66

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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.