Home / 2,311,312.40-3,462,821.40-1,979,536.40

Finding the Fourth Proportional to 2,311,312.40, 3,462,821.40 and 1,979,536.40

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Solution

The fourth proportional to 2,311,312.40, 3,462,821.40 and 1,979,536.40 is: 2,965,752.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311,312.40 : 3,462,821.40 = 1,979,536.40 : x
  2. Step 2: Convert to fraction form
    2,311,312.40/3,462,821.40 = 1,979,536.40/x
  3. Step 3: Cross multiply
    2,311,312.40x = 3,462,821.40 × 1,979,536.40
  4. Step 4: Simplify right side
    2,311,312.40x = 6,854,781,007,998.96
  5. Step 5: Solve for x
    x = 6,854,781,007,998.96/2,311,312.40
  6. Step 6: Final answer
    x = 2,965,752.71

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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.