Home / 3,078,943.02-4,619,167.68-2,169,899.16

Finding the Fourth Proportional to 3,078,943.02, 4,619,167.68 and 2,169,899.16

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Solution

The fourth proportional to 3,078,943.02, 4,619,167.68 and 2,169,899.16 is: 3,255,379.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,943.02 : 4,619,167.68 = 2,169,899.16 : x
  2. Step 2: Convert to fraction form
    3,078,943.02/4,619,167.68 = 2,169,899.16/x
  3. Step 3: Cross multiply
    3,078,943.02x = 4,619,167.68 × 2,169,899.16
  4. Step 4: Simplify right side
    3,078,943.02x = 10,023,128,068,731.15
  5. Step 5: Solve for x
    x = 10,023,128,068,731.15/3,078,943.02
  6. Step 6: Final answer
    x = 3,255,379.53

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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.