Home / 2,311,178.40-3,462,620.40-1,979,402.40

Finding the Fourth Proportional to 2,311,178.40, 3,462,620.40 and 1,979,402.40

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Solution

The fourth proportional to 2,311,178.40, 3,462,620.40 and 1,979,402.40 is: 2,965,551.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311,178.40 : 3,462,620.40 = 1,979,402.40 : x
  2. Step 2: Convert to fraction form
    2,311,178.40/3,462,620.40 = 1,979,402.40/x
  3. Step 3: Cross multiply
    2,311,178.40x = 3,462,620.40 × 1,979,402.40
  4. Step 4: Simplify right side
    2,311,178.40x = 6,853,919,130,048.96
  5. Step 5: Solve for x
    x = 6,853,919,130,048.96/2,311,178.40
  6. Step 6: Final answer
    x = 2,965,551.74

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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.