Home / 1,970,173.09-2,717,805.03-1,603,060.15

Finding the Fourth Proportional to 1,970,173.09, 2,717,805.03 and 1,603,060.15

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Solution

The fourth proportional to 1,970,173.09, 2,717,805.03 and 1,603,060.15 is: 2,211,381.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,173.09 : 2,717,805.03 = 1,603,060.15 : x
  2. Step 2: Convert to fraction form
    1,970,173.09/2,717,805.03 = 1,603,060.15/x
  3. Step 3: Cross multiply
    1,970,173.09x = 2,717,805.03 × 1,603,060.15
  4. Step 4: Simplify right side
    1,970,173.09x = 4,356,804,930,874.61
  5. Step 5: Solve for x
    x = 4,356,804,930,874.61/1,970,173.09
  6. Step 6: Final answer
    x = 2,211,381.81

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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.