Home / 1,881,729.77-2,597,861.36-1,239,015.83

Finding the Fourth Proportional to 1,881,729.77, 2,597,861.36 and 1,239,015.83

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Solution

The fourth proportional to 1,881,729.77, 2,597,861.36 and 1,239,015.83 is: 1,710,549.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881,729.77 : 2,597,861.36 = 1,239,015.83 : x
  2. Step 2: Convert to fraction form
    1,881,729.77/2,597,861.36 = 1,239,015.83/x
  3. Step 3: Cross multiply
    1,881,729.77x = 2,597,861.36 × 1,239,015.83
  4. Step 4: Simplify right side
    1,881,729.77x = 3,218,791,339,293.56
  5. Step 5: Solve for x
    x = 3,218,791,339,293.56/1,881,729.77
  6. Step 6: Final answer
    x = 1,710,549.20

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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.