Home / 2,640,654.12-3,955,841.72-1,946,957.62

Finding the Fourth Proportional to 2,640,654.12, 3,955,841.72 and 1,946,957.62

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Solution

The fourth proportional to 2,640,654.12, 3,955,841.72 and 1,946,957.62 is: 2,916,647.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,654.12 : 3,955,841.72 = 1,946,957.62 : x
  2. Step 2: Convert to fraction form
    2,640,654.12/3,955,841.72 = 1,946,957.62/x
  3. Step 3: Cross multiply
    2,640,654.12x = 3,955,841.72 × 1,946,957.62
  4. Step 4: Simplify right side
    2,640,654.12x = 7,701,856,180,267.91
  5. Step 5: Solve for x
    x = 7,701,856,180,267.91/2,640,654.12
  6. Step 6: Final answer
    x = 2,916,647.10

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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.