Home / 3,889,898.82-5,363,070.40-3,189,599.55

Finding the Fourth Proportional to 3,889,898.82, 5,363,070.40 and 3,189,599.55

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Solution

The fourth proportional to 3,889,898.82, 5,363,070.40 and 3,189,599.55 is: 4,397,555.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889,898.82 : 5,363,070.40 = 3,189,599.55 : x
  2. Step 2: Convert to fraction form
    3,889,898.82/5,363,070.40 = 3,189,599.55/x
  3. Step 3: Cross multiply
    3,889,898.82x = 5,363,070.40 × 3,189,599.55
  4. Step 4: Simplify right side
    3,889,898.82x = 17,106,046,934,458.32
  5. Step 5: Solve for x
    x = 17,106,046,934,458.32/3,889,898.82
  6. Step 6: Final answer
    x = 4,397,555.75

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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.