Home / 2,205,842.16-3,043,287-1,442,342.64

Finding the Fourth Proportional to 2,205,842.16, 3,043,287 and 1,442,342.64

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Solution

The fourth proportional to 2,205,842.16, 3,043,287 and 1,442,342.64 is: 1,989,925.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205,842.16 : 3,043,287 = 1,442,342.64 : x
  2. Step 2: Convert to fraction form
    2,205,842.16/3,043,287 = 1,442,342.64/x
  3. Step 3: Cross multiply
    2,205,842.16x = 3,043,287 × 1,442,342.64
  4. Step 4: Simplify right side
    2,205,842.16x = 4,389,462,605,857.68
  5. Step 5: Solve for x
    x = 4,389,462,605,857.68/2,205,842.16
  6. Step 6: Final answer
    x = 1,989,925.97

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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.