Home / 2,888,309.79-3,985,928.33-1,581,616.71

Finding the Fourth Proportional to 2,888,309.79, 3,985,928.33 and 1,581,616.71

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Solution

The fourth proportional to 2,888,309.79, 3,985,928.33 and 1,581,616.71 is: 2,182,664.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888,309.79 : 3,985,928.33 = 1,581,616.71 : x
  2. Step 2: Convert to fraction form
    2,888,309.79/3,985,928.33 = 1,581,616.71/x
  3. Step 3: Cross multiply
    2,888,309.79x = 3,985,928.33 × 1,581,616.71
  4. Step 4: Simplify right side
    2,888,309.79x = 6,304,210,843,682.31
  5. Step 5: Solve for x
    x = 6,304,210,843,682.31/2,888,309.79
  6. Step 6: Final answer
    x = 2,182,664.36

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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.