Home / 3,078,414.02-4,248,217.12-1,720,287.02

Finding the Fourth Proportional to 3,078,414.02, 4,248,217.12 and 1,720,287.02

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Solution

The fourth proportional to 3,078,414.02, 4,248,217.12 and 1,720,287.02 is: 2,373,999.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,414.02 : 4,248,217.12 = 1,720,287.02 : x
  2. Step 2: Convert to fraction form
    3,078,414.02/4,248,217.12 = 1,720,287.02/x
  3. Step 3: Cross multiply
    3,078,414.02x = 4,248,217.12 × 1,720,287.02
  4. Step 4: Simplify right side
    3,078,414.02x = 7,308,152,769,677.78
  5. Step 5: Solve for x
    x = 7,308,152,769,677.78/3,078,414.02
  6. Step 6: Final answer
    x = 2,373,999.31

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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.