Home / 4,800,509.78-6,621,582.03-3,078,903.38

Finding the Fourth Proportional to 4,800,509.78, 6,621,582.03 and 3,078,903.38

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Solution

The fourth proportional to 4,800,509.78, 6,621,582.03 and 3,078,903.38 is: 4,246,884.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,800,509.78 : 6,621,582.03 = 3,078,903.38 : x
  2. Step 2: Convert to fraction form
    4,800,509.78/6,621,582.03 = 3,078,903.38/x
  3. Step 3: Cross multiply
    4,800,509.78x = 6,621,582.03 × 3,078,903.38
  4. Step 4: Simplify right side
    4,800,509.78x = 20,387,211,293,114.26
  5. Step 5: Solve for x
    x = 20,387,211,293,114.26/4,800,509.78
  6. Step 6: Final answer
    x = 4,246,884.65

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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.