Home / 2,021,555.49-2,789,785.41-1,103,821.02

Finding the Fourth Proportional to 2,021,555.49, 2,789,785.41 and 1,103,821.02

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Solution

The fourth proportional to 2,021,555.49, 2,789,785.41 and 1,103,821.02 is: 1,523,294.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,555.49 : 2,789,785.41 = 1,103,821.02 : x
  2. Step 2: Convert to fraction form
    2,021,555.49/2,789,785.41 = 1,103,821.02/x
  3. Step 3: Cross multiply
    2,021,555.49x = 2,789,785.41 × 1,103,821.02
  4. Step 4: Simplify right side
    2,021,555.49x = 3,079,423,776,847.32
  5. Step 5: Solve for x
    x = 3,079,423,776,847.32/2,021,555.49
  6. Step 6: Final answer
    x = 1,523,294.21

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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.