Home / 1,912,179.67-2,638,707.77-1,052,572.03

Finding the Fourth Proportional to 1,912,179.67, 2,638,707.77 and 1,052,572.03

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Solution

The fourth proportional to 1,912,179.67, 2,638,707.77 and 1,052,572.03 is: 1,452,494.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,179.67 : 2,638,707.77 = 1,052,572.03 : x
  2. Step 2: Convert to fraction form
    1,912,179.67/2,638,707.77 = 1,052,572.03/x
  3. Step 3: Cross multiply
    1,912,179.67x = 2,638,707.77 × 1,052,572.03
  4. Step 4: Simplify right side
    1,912,179.67x = 2,777,429,994,045.67
  5. Step 5: Solve for x
    x = 2,777,429,994,045.67/1,912,179.67
  6. Step 6: Final answer
    x = 1,452,494.26

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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.