Home / 7,121,035.46-10,681,553.34-1,729,649.57

Finding the Fourth Proportional to 7,121,035.46, 10,681,553.34 and 1,729,649.57

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Solution

The fourth proportional to 7,121,035.46, 10,681,553.34 and 1,729,649.57 is: 2,594,474.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,121,035.46 : 10,681,553.34 = 1,729,649.57 : x
  2. Step 2: Convert to fraction form
    7,121,035.46/10,681,553.34 = 1,729,649.57/x
  3. Step 3: Cross multiply
    7,121,035.46x = 10,681,553.34 × 1,729,649.57
  4. Step 4: Simplify right side
    7,121,035.46x = 18,475,344,088,055.30
  5. Step 5: Solve for x
    x = 18,475,344,088,055.30/7,121,035.46
  6. Step 6: Final answer
    x = 2,594,474.38

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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.