Home / 6,384,358.20-9,576,537.30-3,990,905.40

Finding the Fourth Proportional to 6,384,358.20, 9,576,537.30 and 3,990,905.40

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Solution

The fourth proportional to 6,384,358.20, 9,576,537.30 and 3,990,905.40 is: 5,986,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,384,358.20 : 9,576,537.30 = 3,990,905.40 : x
  2. Step 2: Convert to fraction form
    6,384,358.20/9,576,537.30 = 3,990,905.40/x
  3. Step 3: Cross multiply
    6,384,358.20x = 9,576,537.30 × 3,990,905.40
  4. Step 4: Simplify right side
    6,384,358.20x = 38,219,054,423,871.42
  5. Step 5: Solve for x
    x = 38,219,054,423,871.42/6,384,358.20
  6. Step 6: Final answer
    x = 5,986,358.10

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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.