Home / 1,976,178.57-2,727,128.34-1,070,760.57

Finding the Fourth Proportional to 1,976,178.57, 2,727,128.34 and 1,070,760.57

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Solution

The fourth proportional to 1,976,178.57, 2,727,128.34 and 1,070,760.57 is: 1,477,650.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976,178.57 : 2,727,128.34 = 1,070,760.57 : x
  2. Step 2: Convert to fraction form
    1,976,178.57/2,727,128.34 = 1,070,760.57/x
  3. Step 3: Cross multiply
    1,976,178.57x = 2,727,128.34 × 1,070,760.57
  4. Step 4: Simplify right side
    1,976,178.57x = 2,920,101,495,801.55
  5. Step 5: Solve for x
    x = 2,920,101,495,801.55/1,976,178.57
  6. Step 6: Final answer
    x = 1,477,650.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.