Home / 1,859,771.56-2,565,824.68-1,215,563.72

Finding the Fourth Proportional to 1,859,771.56, 2,565,824.68 and 1,215,563.72

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Solution

The fourth proportional to 1,859,771.56, 2,565,824.68 and 1,215,563.72 is: 1,677,046.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859,771.56 : 2,565,824.68 = 1,215,563.72 : x
  2. Step 2: Convert to fraction form
    1,859,771.56/2,565,824.68 = 1,215,563.72/x
  3. Step 3: Cross multiply
    1,859,771.56x = 2,565,824.68 × 1,215,563.72
  4. Step 4: Simplify right side
    1,859,771.56x = 3,118,923,392,888.61
  5. Step 5: Solve for x
    x = 3,118,923,392,888.61/1,859,771.56
  6. Step 6: Final answer
    x = 1,677,046.50

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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.