Home / 2,139,157.30-3,206,576.70-1,340,999.50

Finding the Fourth Proportional to 2,139,157.30, 3,206,576.70 and 1,340,999.50

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Solution

The fourth proportional to 2,139,157.30, 3,206,576.70 and 1,340,999.50 is: 2,010,145.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,157.30 : 3,206,576.70 = 1,340,999.50 : x
  2. Step 2: Convert to fraction form
    2,139,157.30/3,206,576.70 = 1,340,999.50/x
  3. Step 3: Cross multiply
    2,139,157.30x = 3,206,576.70 × 1,340,999.50
  4. Step 4: Simplify right side
    2,139,157.30x = 4,300,017,751,411.65
  5. Step 5: Solve for x
    x = 4,300,017,751,411.65/2,139,157.30
  6. Step 6: Final answer
    x = 2,010,145.65

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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.