Home / 1,889,409-2,608,315.26-1,309,072.16

Finding the Fourth Proportional to 1,889,409, 2,608,315.26 and 1,309,072.16

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Solution

The fourth proportional to 1,889,409, 2,608,315.26 and 1,309,072.16 is: 1,807,164.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,409 : 2,608,315.26 = 1,309,072.16 : x
  2. Step 2: Convert to fraction form
    1,889,409/2,608,315.26 = 1,309,072.16/x
  3. Step 3: Cross multiply
    1,889,409x = 2,608,315.26 × 1,309,072.16
  4. Step 4: Simplify right side
    1,889,409x = 3,414,472,878,327.59
  5. Step 5: Solve for x
    x = 3,414,472,878,327.59/1,889,409
  6. Step 6: Final answer
    x = 1,807,164.50

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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.