Home / 2,616,580.80-3,924,871.20-1,720,785.60

Finding the Fourth Proportional to 2,616,580.80, 3,924,871.20 and 1,720,785.60

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Solution

The fourth proportional to 2,616,580.80, 3,924,871.20 and 1,720,785.60 is: 2,581,178.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,616,580.80 : 3,924,871.20 = 1,720,785.60 : x
  2. Step 2: Convert to fraction form
    2,616,580.80/3,924,871.20 = 1,720,785.60/x
  3. Step 3: Cross multiply
    2,616,580.80x = 3,924,871.20 × 1,720,785.60
  4. Step 4: Simplify right side
    2,616,580.80x = 6,753,861,842,814.72
  5. Step 5: Solve for x
    x = 6,753,861,842,814.72/2,616,580.80
  6. Step 6: Final answer
    x = 2,581,178.40

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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.