Home / 1,911,616.38-2,638,009.80-1,052,158.14

Finding the Fourth Proportional to 1,911,616.38, 2,638,009.80 and 1,052,158.14

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Solution

The fourth proportional to 1,911,616.38, 2,638,009.80 and 1,052,158.14 is: 1,451,966.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,616.38 : 2,638,009.80 = 1,052,158.14 : x
  2. Step 2: Convert to fraction form
    1,911,616.38/2,638,009.80 = 1,052,158.14/x
  3. Step 3: Cross multiply
    1,911,616.38x = 2,638,009.80 × 1,052,158.14
  4. Step 4: Simplify right side
    1,911,616.38x = 2,775,603,484,469.77
  5. Step 5: Solve for x
    x = 2,775,603,484,469.77/1,911,616.38
  6. Step 6: Final answer
    x = 1,451,966.78

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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.