Home / 1,912,191.36-2,638,723.80-1,052,583.72

Finding the Fourth Proportional to 1,912,191.36, 2,638,723.80 and 1,052,583.72

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Solution

The fourth proportional to 1,912,191.36, 2,638,723.80 and 1,052,583.72 is: 1,452,510.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,191.36 : 2,638,723.80 = 1,052,583.72 : x
  2. Step 2: Convert to fraction form
    1,912,191.36/2,638,723.80 = 1,052,583.72/x
  3. Step 3: Cross multiply
    1,912,191.36x = 2,638,723.80 × 1,052,583.72
  4. Step 4: Simplify right side
    1,912,191.36x = 2,777,477,713,456.54
  5. Step 5: Solve for x
    x = 2,777,477,713,456.54/1,912,191.36
  6. Step 6: Final answer
    x = 1,452,510.34

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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.