Home / 3,550,470.72-4,899,271.68-2,100,220.80

Finding the Fourth Proportional to 3,550,470.72, 4,899,271.68 and 2,100,220.80

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Solution

The fourth proportional to 3,550,470.72, 4,899,271.68 and 2,100,220.80 is: 2,898,081.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,550,470.72 : 4,899,271.68 = 2,100,220.80 : x
  2. Step 2: Convert to fraction form
    3,550,470.72/4,899,271.68 = 2,100,220.80/x
  3. Step 3: Cross multiply
    3,550,470.72x = 4,899,271.68 × 2,100,220.80
  4. Step 4: Simplify right side
    3,550,470.72x = 10,289,552,287,186.94
  5. Step 5: Solve for x
    x = 10,289,552,287,186.94/3,550,470.72
  6. Step 6: Final answer
    x = 2,898,081.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.