Home / 2,847,159.39-3,929,079.87-1,557,999.93

Finding the Fourth Proportional to 2,847,159.39, 3,929,079.87 and 1,557,999.93

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Solution

The fourth proportional to 2,847,159.39, 3,929,079.87 and 1,557,999.93 is: 2,150,039.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847,159.39 : 3,929,079.87 = 1,557,999.93 : x
  2. Step 2: Convert to fraction form
    2,847,159.39/3,929,079.87 = 1,557,999.93/x
  3. Step 3: Cross multiply
    2,847,159.39x = 3,929,079.87 × 1,557,999.93
  4. Step 4: Simplify right side
    2,847,159.39x = 6,121,506,162,424.41
  5. Step 5: Solve for x
    x = 6,121,506,162,424.41/2,847,159.39
  6. Step 6: Final answer
    x = 2,150,039.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.