Home / 2,720,124.51-4,080,039.14-826,718.32

Finding the Fourth Proportional to 2,720,124.51, 4,080,039.14 and 826,718.32

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Solution

The fourth proportional to 2,720,124.51, 4,080,039.14 and 826,718.32 is: 1,240,032.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720,124.51 : 4,080,039.14 = 826,718.32 : x
  2. Step 2: Convert to fraction form
    2,720,124.51/4,080,039.14 = 826,718.32/x
  3. Step 3: Cross multiply
    2,720,124.51x = 4,080,039.14 × 826,718.32
  4. Step 4: Simplify right side
    2,720,124.51x = 3,373,043,103,355.05
  5. Step 5: Solve for x
    x = 3,373,043,103,355.05/2,720,124.51
  6. Step 6: Final answer
    x = 1,240,032.61

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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.