Home / 2,166,914.89-2,989,350.39-1,403,214.49

Finding the Fourth Proportional to 2,166,914.89, 2,989,350.39 and 1,403,214.49

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Solution

The fourth proportional to 2,166,914.89, 2,989,350.39 and 1,403,214.49 is: 1,935,793.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,914.89 : 2,989,350.39 = 1,403,214.49 : x
  2. Step 2: Convert to fraction form
    2,166,914.89/2,989,350.39 = 1,403,214.49/x
  3. Step 3: Cross multiply
    2,166,914.89x = 2,989,350.39 × 1,403,214.49
  4. Step 4: Simplify right side
    2,166,914.89x = 4,194,699,782,935.15
  5. Step 5: Solve for x
    x = 4,194,699,782,935.15/2,166,914.89
  6. Step 6: Final answer
    x = 1,935,793.51

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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.