Home / 2,993,409.20-4,489,676.40-863,271.20

Finding the Fourth Proportional to 2,993,409.20, 4,489,676.40 and 863,271.20

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Solution

The fourth proportional to 2,993,409.20, 4,489,676.40 and 863,271.20 is: 1,294,780.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993,409.20 : 4,489,676.40 = 863,271.20 : x
  2. Step 2: Convert to fraction form
    2,993,409.20/4,489,676.40 = 863,271.20/x
  3. Step 3: Cross multiply
    2,993,409.20x = 4,489,676.40 × 863,271.20
  4. Step 4: Simplify right side
    2,993,409.20x = 3,875,808,333,439.68
  5. Step 5: Solve for x
    x = 3,875,808,333,439.68/2,993,409.20
  6. Step 6: Final answer
    x = 1,294,780.66

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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.