Home / 3,270,684.38-4,905,640.19-874,714.70

Finding the Fourth Proportional to 3,270,684.38, 4,905,640.19 and 874,714.70

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Solution

The fourth proportional to 3,270,684.38, 4,905,640.19 and 874,714.70 is: 1,311,968.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270,684.38 : 4,905,640.19 = 874,714.70 : x
  2. Step 2: Convert to fraction form
    3,270,684.38/4,905,640.19 = 874,714.70/x
  3. Step 3: Cross multiply
    3,270,684.38x = 4,905,640.19 × 874,714.70
  4. Step 4: Simplify right side
    3,270,684.38x = 4,291,035,582,730.22
  5. Step 5: Solve for x
    x = 4,291,035,582,730.22/3,270,684.38
  6. Step 6: Final answer
    x = 1,311,968.72

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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.