Home / 3,417,841.82-5,129,285.98-1,620,731.32

Finding the Fourth Proportional to 3,417,841.82, 5,129,285.98 and 1,620,731.32

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Solution

The fourth proportional to 3,417,841.82, 5,129,285.98 and 1,620,731.32 is: 2,432,293.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417,841.82 : 5,129,285.98 = 1,620,731.32 : x
  2. Step 2: Convert to fraction form
    3,417,841.82/5,129,285.98 = 1,620,731.32/x
  3. Step 3: Cross multiply
    3,417,841.82x = 5,129,285.98 × 1,620,731.32
  4. Step 4: Simplify right side
    3,417,841.82x = 8,313,194,437,022.90
  5. Step 5: Solve for x
    x = 8,313,194,437,022.90/3,417,841.82
  6. Step 6: Final answer
    x = 2,432,293.50

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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.