Home / 2,180,790.11-3,271,854.63-1,116,579.31

Finding the Fourth Proportional to 2,180,790.11, 3,271,854.63 and 1,116,579.31

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Solution

The fourth proportional to 2,180,790.11, 3,271,854.63 and 1,116,579.31 is: 1,675,211.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,790.11 : 3,271,854.63 = 1,116,579.31 : x
  2. Step 2: Convert to fraction form
    2,180,790.11/3,271,854.63 = 1,116,579.31/x
  3. Step 3: Cross multiply
    2,180,790.11x = 3,271,854.63 × 1,116,579.31
  4. Step 4: Simplify right side
    2,180,790.11x = 3,653,285,185,185.71
  5. Step 5: Solve for x
    x = 3,653,285,185,185.71/2,180,790.11
  6. Step 6: Final answer
    x = 1,675,211.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.