Home / 3,081,740.20-4,623,240.78-1,059,721.40

Finding the Fourth Proportional to 3,081,740.20, 4,623,240.78 and 1,059,721.40

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Solution

The fourth proportional to 3,081,740.20, 4,623,240.78 and 1,059,721.40 is: 1,589,798.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081,740.20 : 4,623,240.78 = 1,059,721.40 : x
  2. Step 2: Convert to fraction form
    3,081,740.20/4,623,240.78 = 1,059,721.40/x
  3. Step 3: Cross multiply
    3,081,740.20x = 4,623,240.78 × 1,059,721.40
  4. Step 4: Simplify right side
    3,081,740.20x = 4,899,347,203,476.80
  5. Step 5: Solve for x
    x = 4,899,347,203,476.80/3,081,740.20
  6. Step 6: Final answer
    x = 1,589,798.91

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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.