Home / 2,749,411-4,122,767.04-1,129,886.20

Finding the Fourth Proportional to 2,749,411, 4,122,767.04 and 1,129,886.20

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Solution

The fourth proportional to 2,749,411, 4,122,767.04 and 1,129,886.20 is: 1,694,274.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749,411 : 4,122,767.04 = 1,129,886.20 : x
  2. Step 2: Convert to fraction form
    2,749,411/4,122,767.04 = 1,129,886.20/x
  3. Step 3: Cross multiply
    2,749,411x = 4,122,767.04 × 1,129,886.20
  4. Step 4: Simplify right side
    2,749,411x = 4,658,257,584,310.85
  5. Step 5: Solve for x
    x = 4,658,257,584,310.85/2,749,411
  6. Step 6: Final answer
    x = 1,694,274.73

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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.