Home / 1,912,179.80-2,638,707.95-1,052,572.16

Finding the Fourth Proportional to 1,912,179.80, 2,638,707.95 and 1,052,572.16

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Solution

The fourth proportional to 1,912,179.80, 2,638,707.95 and 1,052,572.16 is: 1,452,494.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,179.80 : 2,638,707.95 = 1,052,572.16 : x
  2. Step 2: Convert to fraction form
    1,912,179.80/2,638,707.95 = 1,052,572.16/x
  3. Step 3: Cross multiply
    1,912,179.80x = 2,638,707.95 × 1,052,572.16
  4. Step 4: Simplify right side
    1,912,179.80x = 2,777,430,508,084.27
  5. Step 5: Solve for x
    x = 2,777,430,508,084.27/1,912,179.80
  6. Step 6: Final answer
    x = 1,452,494.43

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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.