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Finding the Fourth Proportional to 2,019,873.74, 2,787,562.35 and 1,160,776.46

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Solution

The fourth proportional to 2,019,873.74, 2,787,562.35 and 1,160,776.46 is: 1,601,950.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,873.74 : 2,787,562.35 = 1,160,776.46 : x
  2. Step 2: Convert to fraction form
    2,019,873.74/2,787,562.35 = 1,160,776.46/x
  3. Step 3: Cross multiply
    2,019,873.74x = 2,787,562.35 × 1,160,776.46
  4. Step 4: Simplify right side
    2,019,873.74x = 3,235,736,756,662.28
  5. Step 5: Solve for x
    x = 3,235,736,756,662.28/2,019,873.74
  6. Step 6: Final answer
    x = 1,601,950.01

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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.