Home / 1,885,978.39-2,603,150.76-1,161,433.60

Finding the Fourth Proportional to 1,885,978.39, 2,603,150.76 and 1,161,433.60

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Solution

The fourth proportional to 1,885,978.39, 2,603,150.76 and 1,161,433.60 is: 1,603,086.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885,978.39 : 2,603,150.76 = 1,161,433.60 : x
  2. Step 2: Convert to fraction form
    1,885,978.39/2,603,150.76 = 1,161,433.60/x
  3. Step 3: Cross multiply
    1,885,978.39x = 2,603,150.76 × 1,161,433.60
  4. Step 4: Simplify right side
    1,885,978.39x = 3,023,386,758,529.54
  5. Step 5: Solve for x
    x = 3,023,386,758,529.54/1,885,978.39
  6. Step 6: Final answer
    x = 1,603,086.64

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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.