Home / 3,426,921.40-5,138,826.90-1,296,297.40

Finding the Fourth Proportional to 3,426,921.40, 5,138,826.90 and 1,296,297.40

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Solution

The fourth proportional to 3,426,921.40, 5,138,826.90 and 1,296,297.40 is: 1,943,857.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426,921.40 : 5,138,826.90 = 1,296,297.40 : x
  2. Step 2: Convert to fraction form
    3,426,921.40/5,138,826.90 = 1,296,297.40/x
  3. Step 3: Cross multiply
    3,426,921.40x = 5,138,826.90 × 1,296,297.40
  4. Step 4: Simplify right side
    3,426,921.40x = 6,661,447,949,520.06
  5. Step 5: Solve for x
    x = 6,661,447,949,520.06/3,426,921.40
  6. Step 6: Final answer
    x = 1,943,857.82

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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.