Home / 2,872,809-3,964,503.77-1,583,695.62

Finding the Fourth Proportional to 2,872,809, 3,964,503.77 and 1,583,695.62

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Solution

The fourth proportional to 2,872,809, 3,964,503.77 and 1,583,695.62 is: 2,185,515.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872,809 : 3,964,503.77 = 1,583,695.62 : x
  2. Step 2: Convert to fraction form
    2,872,809/3,964,503.77 = 1,583,695.62/x
  3. Step 3: Cross multiply
    2,872,809x = 3,964,503.77 × 1,583,695.62
  4. Step 4: Simplify right side
    2,872,809x = 6,278,567,248,104.01
  5. Step 5: Solve for x
    x = 6,278,567,248,104.01/2,872,809
  6. Step 6: Final answer
    x = 2,185,515.03

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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.