Home / 2,103,119.94-2,898,905.49-1,643,435.76

Finding the Fourth Proportional to 2,103,119.94, 2,898,905.49 and 1,643,435.76

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Solution

The fourth proportional to 2,103,119.94, 2,898,905.49 and 1,643,435.76 is: 2,265,284.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,119.94 : 2,898,905.49 = 1,643,435.76 : x
  2. Step 2: Convert to fraction form
    2,103,119.94/2,898,905.49 = 1,643,435.76/x
  3. Step 3: Cross multiply
    2,103,119.94x = 2,898,905.49 × 1,643,435.76
  4. Step 4: Simplify right side
    2,103,119.94x = 4,764,164,957,997.22
  5. Step 5: Solve for x
    x = 4,764,164,957,997.22/2,103,119.94
  6. Step 6: Final answer
    x = 2,265,284.48

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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.