Home / 3,078,451.52-4,248,268.86-1,720,324.52

Finding the Fourth Proportional to 3,078,451.52, 4,248,268.86 and 1,720,324.52

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Solution

The fourth proportional to 3,078,451.52, 4,248,268.86 and 1,720,324.52 is: 2,374,051.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,451.52 : 4,248,268.86 = 1,720,324.52 : x
  2. Step 2: Convert to fraction form
    3,078,451.52/4,248,268.86 = 1,720,324.52/x
  3. Step 3: Cross multiply
    3,078,451.52x = 4,248,268.86 × 1,720,324.52
  4. Step 4: Simplify right side
    3,078,451.52x = 7,308,401,087,410.45
  5. Step 5: Solve for x
    x = 7,308,401,087,410.45/3,078,451.52
  6. Step 6: Final answer
    x = 2,374,051.06

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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.