Home / 1,471,846.20-2,206,019.70-618,916.20

Finding the Fourth Proportional to 1,471,846.20, 2,206,019.70 and 618,916.20

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Solution

The fourth proportional to 1,471,846.20, 2,206,019.70 and 618,916.20 is: 927,638.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471,846.20 : 2,206,019.70 = 618,916.20 : x
  2. Step 2: Convert to fraction form
    1,471,846.20/2,206,019.70 = 618,916.20/x
  3. Step 3: Cross multiply
    1,471,846.20x = 2,206,019.70 × 618,916.20
  4. Step 4: Simplify right side
    1,471,846.20x = 1,365,341,329,849.14
  5. Step 5: Solve for x
    x = 1,365,341,329,849.14/1,471,846.20
  6. Step 6: Final answer
    x = 927,638.59

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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.