Home / 2,868,264.82-3,958,055.20-1,578,853.36

Finding the Fourth Proportional to 2,868,264.82, 3,958,055.20 and 1,578,853.36

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Solution

The fourth proportional to 2,868,264.82, 3,958,055.20 and 1,578,853.36 is: 2,178,734.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868,264.82 : 3,958,055.20 = 1,578,853.36 : x
  2. Step 2: Convert to fraction form
    2,868,264.82/3,958,055.20 = 1,578,853.36/x
  3. Step 3: Cross multiply
    2,868,264.82x = 3,958,055.20 × 1,578,853.36
  4. Step 4: Simplify right side
    2,868,264.82x = 6,249,188,737,743.20
  5. Step 5: Solve for x
    x = 6,249,188,737,743.20/2,868,264.82
  6. Step 6: Final answer
    x = 2,178,734.93

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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.