Home / 3,890,948.05-5,330,573.99-3,745,444.64

Finding the Fourth Proportional to 3,890,948.05, 5,330,573.99 and 3,745,444.64

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Solution

The fourth proportional to 3,890,948.05, 5,330,573.99 and 3,745,444.64 is: 5,131,235.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890,948.05 : 5,330,573.99 = 3,745,444.64 : x
  2. Step 2: Convert to fraction form
    3,890,948.05/5,330,573.99 = 3,745,444.64/x
  3. Step 3: Cross multiply
    3,890,948.05x = 5,330,573.99 × 3,745,444.64
  4. Step 4: Simplify right side
    3,890,948.05x = 19,965,369,778,968.91
  5. Step 5: Solve for x
    x = 19,965,369,778,968.91/3,890,948.05
  6. Step 6: Final answer
    x = 5,131,235.25

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.