Home / 5,161,022.08-7,121,807.02-2,869,043.20

Finding the Fourth Proportional to 5,161,022.08, 7,121,807.02 and 2,869,043.20

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Solution

The fourth proportional to 5,161,022.08, 7,121,807.02 and 2,869,043.20 is: 3,959,055.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161,022.08 : 7,121,807.02 = 2,869,043.20 : x
  2. Step 2: Convert to fraction form
    5,161,022.08/7,121,807.02 = 2,869,043.20/x
  3. Step 3: Cross multiply
    5,161,022.08x = 7,121,807.02 × 2,869,043.20
  4. Step 4: Simplify right side
    5,161,022.08x = 20,432,772,002,443.27
  5. Step 5: Solve for x
    x = 20,432,772,002,443.27/5,161,022.08
  6. Step 6: Final answer
    x = 3,959,055.34

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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.