Home / 2,109,433.75-2,910,867.45-1,238,303.81

Finding the Fourth Proportional to 2,109,433.75, 2,910,867.45 and 1,238,303.81

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Solution

The fourth proportional to 2,109,433.75, 2,910,867.45 and 1,238,303.81 is: 1,708,770.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,433.75 : 2,910,867.45 = 1,238,303.81 : x
  2. Step 2: Convert to fraction form
    2,109,433.75/2,910,867.45 = 1,238,303.81/x
  3. Step 3: Cross multiply
    2,109,433.75x = 2,910,867.45 × 1,238,303.81
  4. Step 4: Simplify right side
    2,109,433.75x = 3,604,538,253,739.99
  5. Step 5: Solve for x
    x = 3,604,538,253,739.99/2,109,433.75
  6. Step 6: Final answer
    x = 1,708,770.54

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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.