Home / 3,925,131.21-5,415,887-2,293,223.40

Finding the Fourth Proportional to 3,925,131.21, 5,415,887 and 2,293,223.40

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Solution

The fourth proportional to 3,925,131.21, 5,415,887 and 2,293,223.40 is: 3,164,184.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925,131.21 : 5,415,887 = 2,293,223.40 : x
  2. Step 2: Convert to fraction form
    3,925,131.21/5,415,887 = 2,293,223.40/x
  3. Step 3: Cross multiply
    3,925,131.21x = 5,415,887 × 2,293,223.40
  4. Step 4: Simplify right side
    3,925,131.21x = 12,419,838,800,155.80
  5. Step 5: Solve for x
    x = 12,419,838,800,155.80/3,925,131.21
  6. Step 6: Final answer
    x = 3,164,184.36

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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.