Home / 2,930,810.20-4,396,215.30-1,974,216.40

Finding the Fourth Proportional to 2,930,810.20, 4,396,215.30 and 1,974,216.40

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Solution

The fourth proportional to 2,930,810.20, 4,396,215.30 and 1,974,216.40 is: 2,961,324.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930,810.20 : 4,396,215.30 = 1,974,216.40 : x
  2. Step 2: Convert to fraction form
    2,930,810.20/4,396,215.30 = 1,974,216.40/x
  3. Step 3: Cross multiply
    2,930,810.20x = 4,396,215.30 × 1,974,216.40
  4. Step 4: Simplify right side
    2,930,810.20x = 8,679,080,343,190.92
  5. Step 5: Solve for x
    x = 8,679,080,343,190.92/2,930,810.20
  6. Step 6: Final answer
    x = 2,961,324.60

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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.