Home / 1,815,215.14-2,505,772.22-1,292,263.34

Finding the Fourth Proportional to 1,815,215.14, 2,505,772.22 and 1,292,263.34

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Solution

The fourth proportional to 1,815,215.14, 2,505,772.22 and 1,292,263.34 is: 1,783,875.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,215.14 : 2,505,772.22 = 1,292,263.34 : x
  2. Step 2: Convert to fraction form
    1,815,215.14/2,505,772.22 = 1,292,263.34/x
  3. Step 3: Cross multiply
    1,815,215.14x = 2,505,772.22 × 1,292,263.34
  4. Step 4: Simplify right side
    1,815,215.14x = 3,238,117,578,099.53
  5. Step 5: Solve for x
    x = 3,238,117,578,099.53/1,815,215.14
  6. Step 6: Final answer
    x = 1,783,875.37

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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.