Home / 2,845,221.76-4,267,827.78-1,328,396.32

Finding the Fourth Proportional to 2,845,221.76, 4,267,827.78 and 1,328,396.32

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Solution

The fourth proportional to 2,845,221.76, 4,267,827.78 and 1,328,396.32 is: 1,992,592.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845,221.76 : 4,267,827.78 = 1,328,396.32 : x
  2. Step 2: Convert to fraction form
    2,845,221.76/4,267,827.78 = 1,328,396.32/x
  3. Step 3: Cross multiply
    2,845,221.76x = 4,267,827.78 × 1,328,396.32
  4. Step 4: Simplify right side
    2,845,221.76x = 5,669,366,717,345.77
  5. Step 5: Solve for x
    x = 5,669,366,717,345.77/2,845,221.76
  6. Step 6: Final answer
    x = 1,992,592.21

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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.