Home / 2,571,721.60-3,857,091-1,291,973.76

Finding the Fourth Proportional to 2,571,721.60, 3,857,091 and 1,291,973.76

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Solution

The fourth proportional to 2,571,721.60, 3,857,091 and 1,291,973.76 is: 1,937,713.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,571,721.60 : 3,857,091 = 1,291,973.76 : x
  2. Step 2: Convert to fraction form
    2,571,721.60/3,857,091 = 1,291,973.76/x
  3. Step 3: Cross multiply
    2,571,721.60x = 3,857,091 × 1,291,973.76
  4. Step 4: Simplify right side
    2,571,721.60x = 4,983,260,361,932.16
  5. Step 5: Solve for x
    x = 4,983,260,361,932.16/2,571,721.60
  6. Step 6: Final answer
    x = 1,937,713.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.