Home / 2,888,374.91-3,986,019.54-1,581,682.10

Finding the Fourth Proportional to 2,888,374.91, 3,986,019.54 and 1,581,682.10

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Solution

The fourth proportional to 2,888,374.91, 3,986,019.54 and 1,581,682.10 is: 2,182,755.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888,374.91 : 3,986,019.54 = 1,581,682.10 : x
  2. Step 2: Convert to fraction form
    2,888,374.91/3,986,019.54 = 1,581,682.10/x
  3. Step 3: Cross multiply
    2,888,374.91x = 3,986,019.54 × 1,581,682.10
  4. Step 4: Simplify right side
    2,888,374.91x = 6,304,615,736,738.14
  5. Step 5: Solve for x
    x = 6,304,615,736,738.14/2,888,374.91
  6. Step 6: Final answer
    x = 2,182,755.34

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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.