Home / 3,380,385-4,664,935.40-1,831,645.45

Finding the Fourth Proportional to 3,380,385, 4,664,935.40 and 1,831,645.45

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Solution

The fourth proportional to 3,380,385, 4,664,935.40 and 1,831,645.45 is: 2,527,672.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380,385 : 4,664,935.40 = 1,831,645.45 : x
  2. Step 2: Convert to fraction form
    3,380,385/4,664,935.40 = 1,831,645.45/x
  3. Step 3: Cross multiply
    3,380,385x = 4,664,935.40 × 1,831,645.45
  4. Step 4: Simplify right side
    3,380,385x = 8,544,507,699,953.93
  5. Step 5: Solve for x
    x = 8,544,507,699,953.93/3,380,385
  6. Step 6: Final answer
    x = 2,527,672.94

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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.