Home / 1,992,191.40-2,972,749.17-1,777,483.38

Finding the Fourth Proportional to 1,992,191.40, 2,972,749.17 and 1,777,483.38

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Solution

The fourth proportional to 1,992,191.40, 2,972,749.17 and 1,777,483.38 is: 2,652,361.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,191.40 : 2,972,749.17 = 1,777,483.38 : x
  2. Step 2: Convert to fraction form
    1,992,191.40/2,972,749.17 = 1,777,483.38/x
  3. Step 3: Cross multiply
    1,992,191.40x = 2,972,749.17 × 1,777,483.38
  4. Step 4: Simplify right side
    1,992,191.40x = 5,284,012,242,583.79
  5. Step 5: Solve for x
    x = 5,284,012,242,583.79/1,992,191.40
  6. Step 6: Final answer
    x = 2,652,361.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.