Home / 5,426,335.20-8,140,669.20-1,640,200.80

Finding the Fourth Proportional to 5,426,335.20, 8,140,669.20 and 1,640,200.80

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Solution

The fourth proportional to 5,426,335.20, 8,140,669.20 and 1,640,200.80 is: 2,460,653.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426,335.20 : 8,140,669.20 = 1,640,200.80 : x
  2. Step 2: Convert to fraction form
    5,426,335.20/8,140,669.20 = 1,640,200.80/x
  3. Step 3: Cross multiply
    5,426,335.20x = 8,140,669.20 × 1,640,200.80
  4. Step 4: Simplify right side
    5,426,335.20x = 13,352,332,134,375.36
  5. Step 5: Solve for x
    x = 13,352,332,134,375.36/5,426,335.20
  6. Step 6: Final answer
    x = 2,460,653.76

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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.