Home / 2,311,207.40-3,462,663.90-1,979,431.40

Finding the Fourth Proportional to 2,311,207.40, 3,462,663.90 and 1,979,431.40

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Solution

The fourth proportional to 2,311,207.40, 3,462,663.90 and 1,979,431.40 is: 2,965,595.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311,207.40 : 3,462,663.90 = 1,979,431.40 : x
  2. Step 2: Convert to fraction form
    2,311,207.40/3,462,663.90 = 1,979,431.40/x
  3. Step 3: Cross multiply
    2,311,207.40x = 3,462,663.90 × 1,979,431.40
  4. Step 4: Simplify right side
    2,311,207.40x = 6,854,105,651,306.46
  5. Step 5: Solve for x
    x = 6,854,105,651,306.46/2,311,207.40
  6. Step 6: Final answer
    x = 2,965,595.23

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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.