Home / 2,872,766.12-3,964,444.86-1,583,652.64

Finding the Fourth Proportional to 2,872,766.12, 3,964,444.86 and 1,583,652.64

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Solution

The fourth proportional to 2,872,766.12, 3,964,444.86 and 1,583,652.64 is: 2,185,455.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872,766.12 : 3,964,444.86 = 1,583,652.64 : x
  2. Step 2: Convert to fraction form
    2,872,766.12/3,964,444.86 = 1,583,652.64/x
  3. Step 3: Cross multiply
    2,872,766.12x = 3,964,444.86 × 1,583,652.64
  4. Step 4: Simplify right side
    2,872,766.12x = 6,278,303,568,673.43
  5. Step 5: Solve for x
    x = 6,278,303,568,673.43/2,872,766.12
  6. Step 6: Final answer
    x = 2,185,455.87

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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.