Home / 2,428,429.51-3,642,594.24-809,315.92

Finding the Fourth Proportional to 2,428,429.51, 3,642,594.24 and 809,315.92

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Solution

The fourth proportional to 2,428,429.51, 3,642,594.24 and 809,315.92 is: 1,213,957.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428,429.51 : 3,642,594.24 = 809,315.92 : x
  2. Step 2: Convert to fraction form
    2,428,429.51/3,642,594.24 = 809,315.92/x
  3. Step 3: Cross multiply
    2,428,429.51x = 3,642,594.24 × 809,315.92
  4. Step 4: Simplify right side
    2,428,429.51x = 2,948,009,517,638.79
  5. Step 5: Solve for x
    x = 2,948,009,517,638.79/2,428,429.51
  6. Step 6: Final answer
    x = 1,213,957.21

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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.