Home / 1,961,555.64-2,706,949.08-1,102,115.40

Finding the Fourth Proportional to 1,961,555.64, 2,706,949.08 and 1,102,115.40

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Solution

The fourth proportional to 1,961,555.64, 2,706,949.08 and 1,102,115.40 is: 1,520,920.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961,555.64 : 2,706,949.08 = 1,102,115.40 : x
  2. Step 2: Convert to fraction form
    1,961,555.64/2,706,949.08 = 1,102,115.40/x
  3. Step 3: Cross multiply
    1,961,555.64x = 2,706,949.08 × 1,102,115.40
  4. Step 4: Simplify right side
    1,961,555.64x = 2,983,370,268,083.83
  5. Step 5: Solve for x
    x = 2,983,370,268,083.83/1,961,555.64
  6. Step 6: Final answer
    x = 1,520,920.54

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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.