Home / 5,265,212.25-7,897,818.51-1,276,124.25

Finding the Fourth Proportional to 5,265,212.25, 7,897,818.51 and 1,276,124.25

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Solution

The fourth proportional to 5,265,212.25, 7,897,818.51 and 1,276,124.25 is: 1,914,186.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265,212.25 : 7,897,818.51 = 1,276,124.25 : x
  2. Step 2: Convert to fraction form
    5,265,212.25/7,897,818.51 = 1,276,124.25/x
  3. Step 3: Cross multiply
    5,265,212.25x = 7,897,818.51 × 1,276,124.25
  4. Step 4: Simplify right side
    5,265,212.25x = 10,078,597,722,709.87
  5. Step 5: Solve for x
    x = 10,078,597,722,709.87/5,265,212.25
  6. Step 6: Final answer
    x = 1,914,186.41

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1.5x scale

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.