Home / 1,995,428.10-2,993,579.55-647,361.30

Finding the Fourth Proportional to 1,995,428.10, 2,993,579.55 and 647,361.30

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Solution

The fourth proportional to 1,995,428.10, 2,993,579.55 and 647,361.30 is: 971,183.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,428.10 : 2,993,579.55 = 647,361.30 : x
  2. Step 2: Convert to fraction form
    1,995,428.10/2,993,579.55 = 647,361.30/x
  3. Step 3: Cross multiply
    1,995,428.10x = 2,993,579.55 × 647,361.30
  4. Step 4: Simplify right side
    1,995,428.10x = 1,937,927,549,141.42
  5. Step 5: Solve for x
    x = 1,937,927,549,141.42/1,995,428.10
  6. Step 6: Final answer
    x = 971,183.85

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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.