Home / 1,938,738.92-2,675,373.38-1,111,219.28

Finding the Fourth Proportional to 1,938,738.92, 2,675,373.38 and 1,111,219.28

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Solution

The fourth proportional to 1,938,738.92, 2,675,373.38 and 1,111,219.28 is: 1,533,433.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,738.92 : 2,675,373.38 = 1,111,219.28 : x
  2. Step 2: Convert to fraction form
    1,938,738.92/2,675,373.38 = 1,111,219.28/x
  3. Step 3: Cross multiply
    1,938,738.92x = 2,675,373.38 × 1,111,219.28
  4. Step 4: Simplify right side
    1,938,738.92x = 2,972,926,470,455.95
  5. Step 5: Solve for x
    x = 2,972,926,470,455.95/1,938,738.92
  6. Step 6: Final answer
    x = 1,533,433.12

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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.