Home / 2,724,143.20-4,078,341.60-1,661,261.20

Finding the Fourth Proportional to 2,724,143.20, 4,078,341.60 and 1,661,261.20

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Solution

The fourth proportional to 2,724,143.20, 4,078,341.60 and 1,661,261.20 is: 2,487,090.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,724,143.20 : 4,078,341.60 = 1,661,261.20 : x
  2. Step 2: Convert to fraction form
    2,724,143.20/4,078,341.60 = 1,661,261.20/x
  3. Step 3: Cross multiply
    2,724,143.20x = 4,078,341.60 × 1,661,261.20
  4. Step 4: Simplify right side
    2,724,143.20x = 6,775,190,660,425.92
  5. Step 5: Solve for x
    x = 6,775,190,660,425.92/2,724,143.20
  6. Step 6: Final answer
    x = 2,487,090.50

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1.5x scale

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.