Home / 2,635,835-3,949,238.64-1,438,597.28

Finding the Fourth Proportional to 2,635,835, 3,949,238.64 and 1,438,597.28

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Solution

The fourth proportional to 2,635,835, 3,949,238.64 and 1,438,597.28 is: 2,155,432.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,635,835 : 3,949,238.64 = 1,438,597.28 : x
  2. Step 2: Convert to fraction form
    2,635,835/3,949,238.64 = 1,438,597.28/x
  3. Step 3: Cross multiply
    2,635,835x = 3,949,238.64 × 1,438,597.28
  4. Step 4: Simplify right side
    2,635,835x = 5,681,363,965,574.90
  5. Step 5: Solve for x
    x = 5,681,363,965,574.90/2,635,835
  6. Step 6: Final answer
    x = 2,155,432.33

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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.