Home / 3,579,731.19-4,939,164.92-2,109,700.20

Finding the Fourth Proportional to 3,579,731.19, 4,939,164.92 and 2,109,700.20

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Solution

The fourth proportional to 3,579,731.19, 4,939,164.92 and 2,109,700.20 is: 2,910,877.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579,731.19 : 4,939,164.92 = 2,109,700.20 : x
  2. Step 2: Convert to fraction form
    3,579,731.19/4,939,164.92 = 2,109,700.20/x
  3. Step 3: Cross multiply
    3,579,731.19x = 4,939,164.92 × 2,109,700.20
  4. Step 4: Simplify right side
    3,579,731.19x = 10,420,157,209,008.48
  5. Step 5: Solve for x
    x = 10,420,157,209,008.48/3,579,731.19
  6. Step 6: Final answer
    x = 2,910,877.01

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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.