Home / 5,106,100.16-7,660,462.56-1,911,272

Finding the Fourth Proportional to 5,106,100.16, 7,660,462.56 and 1,911,272

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Solution

The fourth proportional to 5,106,100.16, 7,660,462.56 and 1,911,272 is: 2,867,399.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106,100.16 : 7,660,462.56 = 1,911,272 : x
  2. Step 2: Convert to fraction form
    5,106,100.16/7,660,462.56 = 1,911,272/x
  3. Step 3: Cross multiply
    5,106,100.16x = 7,660,462.56 × 1,911,272
  4. Step 4: Simplify right side
    5,106,100.16x = 14,641,227,597,976.32
  5. Step 5: Solve for x
    x = 14,641,227,597,976.32/5,106,100.16
  6. Step 6: Final answer
    x = 2,867,399.22

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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.