Home / 2,870,721.81-3,961,597.41-1,581,550.92

Finding the Fourth Proportional to 2,870,721.81, 3,961,597.41 and 1,581,550.92

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Solution

The fourth proportional to 2,870,721.81, 3,961,597.41 and 1,581,550.92 is: 2,182,540.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870,721.81 : 3,961,597.41 = 1,581,550.92 : x
  2. Step 2: Convert to fraction form
    2,870,721.81/3,961,597.41 = 1,581,550.92/x
  3. Step 3: Cross multiply
    2,870,721.81x = 3,961,597.41 × 1,581,550.92
  4. Step 4: Simplify right side
    2,870,721.81x = 6,265,468,028,455.12
  5. Step 5: Solve for x
    x = 6,265,468,028,455.12/2,870,721.81
  6. Step 6: Final answer
    x = 2,182,540.99

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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.