Home / 5,148,643.56-7,104,658.50-3,055,125.28

Finding the Fourth Proportional to 5,148,643.56, 7,104,658.50 and 3,055,125.28

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Solution

The fourth proportional to 5,148,643.56, 7,104,658.50 and 3,055,125.28 is: 4,215,794.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148,643.56 : 7,104,658.50 = 3,055,125.28 : x
  2. Step 2: Convert to fraction form
    5,148,643.56/7,104,658.50 = 3,055,125.28/x
  3. Step 3: Cross multiply
    5,148,643.56x = 7,104,658.50 × 3,055,125.28
  4. Step 4: Simplify right side
    5,148,643.56x = 21,705,621,789,116.88
  5. Step 5: Solve for x
    x = 21,705,621,789,116.88/5,148,643.56
  6. Step 6: Final answer
    x = 4,215,794.23

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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.