Home / 3,579,734.21-4,939,169.06-2,109,703.21

Finding the Fourth Proportional to 3,579,734.21, 4,939,169.06 and 2,109,703.21

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Solution

The fourth proportional to 3,579,734.21, 4,939,169.06 and 2,109,703.21 is: 2,910,881.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579,734.21 : 4,939,169.06 = 2,109,703.21 : x
  2. Step 2: Convert to fraction form
    3,579,734.21/4,939,169.06 = 2,109,703.21/x
  3. Step 3: Cross multiply
    3,579,734.21x = 4,939,169.06 × 2,109,703.21
  4. Step 4: Simplify right side
    3,579,734.21x = 10,420,180,813,541.02
  5. Step 5: Solve for x
    x = 10,420,180,813,541.02/3,579,734.21
  6. Step 6: Final answer
    x = 2,910,881.15

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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.