Home / 1,681,230.96-2,317,388.34-1,137,168.21

Finding the Fourth Proportional to 1,681,230.96, 2,317,388.34 and 1,137,168.21

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Solution

The fourth proportional to 1,681,230.96, 2,317,388.34 and 1,137,168.21 is: 1,567,458.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,230.96 : 2,317,388.34 = 1,137,168.21 : x
  2. Step 2: Convert to fraction form
    1,681,230.96/2,317,388.34 = 1,137,168.21/x
  3. Step 3: Cross multiply
    1,681,230.96x = 2,317,388.34 × 1,137,168.21
  4. Step 4: Simplify right side
    1,681,230.96x = 2,635,260,350,472.67
  5. Step 5: Solve for x
    x = 2,635,260,350,472.67/1,681,230.96
  6. Step 6: Final answer
    x = 1,567,458.85

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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.