Home / 5,122,946.12-7,069,474.60-2,947,825.56

Finding the Fourth Proportional to 5,122,946.12, 7,069,474.60 and 2,947,825.56

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Solution

The fourth proportional to 5,122,946.12, 7,069,474.60 and 2,947,825.56 is: 4,067,889.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122,946.12 : 7,069,474.60 = 2,947,825.56 : x
  2. Step 2: Convert to fraction form
    5,122,946.12/7,069,474.60 = 2,947,825.56/x
  3. Step 3: Cross multiply
    5,122,946.12x = 7,069,474.60 × 2,947,825.56
  4. Step 4: Simplify right side
    5,122,946.12x = 20,839,577,921,650.77
  5. Step 5: Solve for x
    x = 20,839,577,921,650.77/5,122,946.12
  6. Step 6: Final answer
    x = 4,067,889.34

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1.5x scale

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.