Home / 5,190,640.80-7,785,961.20-1,824,410.40

Finding the Fourth Proportional to 5,190,640.80, 7,785,961.20 and 1,824,410.40

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Solution

The fourth proportional to 5,190,640.80, 7,785,961.20 and 1,824,410.40 is: 2,736,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190,640.80 : 7,785,961.20 = 1,824,410.40 : x
  2. Step 2: Convert to fraction form
    5,190,640.80/7,785,961.20 = 1,824,410.40/x
  3. Step 3: Cross multiply
    5,190,640.80x = 7,785,961.20 × 1,824,410.40
  4. Step 4: Simplify right side
    5,190,640.80x = 14,204,788,587,276.48
  5. Step 5: Solve for x
    x = 14,204,788,587,276.48/5,190,640.80
  6. Step 6: Final answer
    x = 2,736,615.60

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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.