Home / 3,509,576.78-5,264,365.20-1,265,714.78

Finding the Fourth Proportional to 3,509,576.78, 5,264,365.20 and 1,265,714.78

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Solution

The fourth proportional to 3,509,576.78, 5,264,365.20 and 1,265,714.78 is: 1,898,572.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509,576.78 : 5,264,365.20 = 1,265,714.78 : x
  2. Step 2: Convert to fraction form
    3,509,576.78/5,264,365.20 = 1,265,714.78/x
  3. Step 3: Cross multiply
    3,509,576.78x = 5,264,365.20 × 1,265,714.78
  4. Step 4: Simplify right side
    3,509,576.78x = 6,663,184,840,957.66
  5. Step 5: Solve for x
    x = 6,663,184,840,957.66/3,509,576.78
  6. Step 6: Final answer
    x = 1,898,572.18

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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.