Home / 3,281,886.90-4,920,497.55-1,259,349.30

Finding the Fourth Proportional to 3,281,886.90, 4,920,497.55 and 1,259,349.30

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Solution

The fourth proportional to 3,281,886.90, 4,920,497.55 and 1,259,349.30 is: 1,888,128.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281,886.90 : 4,920,497.55 = 1,259,349.30 : x
  2. Step 2: Convert to fraction form
    3,281,886.90/4,920,497.55 = 1,259,349.30/x
  3. Step 3: Cross multiply
    3,281,886.90x = 4,920,497.55 × 1,259,349.30
  4. Step 4: Simplify right side
    3,281,886.90x = 6,196,625,145,244.22
  5. Step 5: Solve for x
    x = 6,196,625,145,244.22/3,281,886.90
  6. Step 6: Final answer
    x = 1,888,128.79

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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.