Home / 2,015,717.40-2,781,693.84-1,097,943.72

Finding the Fourth Proportional to 2,015,717.40, 2,781,693.84 and 1,097,943.72

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Solution

The fourth proportional to 2,015,717.40, 2,781,693.84 and 1,097,943.72 is: 1,515,164.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015,717.40 : 2,781,693.84 = 1,097,943.72 : x
  2. Step 2: Convert to fraction form
    2,015,717.40/2,781,693.84 = 1,097,943.72/x
  3. Step 3: Cross multiply
    2,015,717.40x = 2,781,693.84 × 1,097,943.72
  4. Step 4: Simplify right side
    2,015,717.40x = 3,054,143,282,590.68
  5. Step 5: Solve for x
    x = 3,054,143,282,590.68/2,015,717.40
  6. Step 6: Final answer
    x = 1,515,164.42

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1.5x scale

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.