Home / 2,128,900.10-3,192,168.76-708,181.16

Finding the Fourth Proportional to 2,128,900.10, 3,192,168.76 and 708,181.16

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Solution

The fourth proportional to 2,128,900.10, 3,192,168.76 and 708,181.16 is: 1,061,878.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,900.10 : 3,192,168.76 = 708,181.16 : x
  2. Step 2: Convert to fraction form
    2,128,900.10/3,192,168.76 = 708,181.16/x
  3. Step 3: Cross multiply
    2,128,900.10x = 3,192,168.76 × 708,181.16
  4. Step 4: Simplify right side
    2,128,900.10x = 2,260,633,757,641.26
  5. Step 5: Solve for x
    x = 2,260,633,757,641.26/2,128,900.10
  6. Step 6: Final answer
    x = 1,061,878.74

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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.