Home / 3,744,979.92-5,173,363.08-2,980,054.80

Finding the Fourth Proportional to 3,744,979.92, 5,173,363.08 and 2,980,054.80

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Solution

The fourth proportional to 3,744,979.92, 5,173,363.08 and 2,980,054.80 is: 4,116,685.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,744,979.92 : 5,173,363.08 = 2,980,054.80 : x
  2. Step 2: Convert to fraction form
    3,744,979.92/5,173,363.08 = 2,980,054.80/x
  3. Step 3: Cross multiply
    3,744,979.92x = 5,173,363.08 × 2,980,054.80
  4. Step 4: Simplify right side
    3,744,979.92x = 15,416,905,478,696.78
  5. Step 5: Solve for x
    x = 15,416,905,478,696.78/3,744,979.92
  6. Step 6: Final answer
    x = 4,116,685.75

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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.