Home / 1,899,174.40-2,620,441.64-1,124,420.56

Finding the Fourth Proportional to 1,899,174.40, 2,620,441.64 and 1,124,420.56

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Solution

The fourth proportional to 1,899,174.40, 2,620,441.64 and 1,124,420.56 is: 1,551,452.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,174.40 : 2,620,441.64 = 1,124,420.56 : x
  2. Step 2: Convert to fraction form
    1,899,174.40/2,620,441.64 = 1,124,420.56/x
  3. Step 3: Cross multiply
    1,899,174.40x = 2,620,441.64 × 1,124,420.56
  4. Step 4: Simplify right side
    1,899,174.40x = 2,946,478,456,296.12
  5. Step 5: Solve for x
    x = 2,946,478,456,296.12/1,899,174.40
  6. Step 6: Final answer
    x = 1,551,452.28

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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.