Home / 6,781,604.10-10,172,406.15-2,520,890.70

Finding the Fourth Proportional to 6,781,604.10, 10,172,406.15 and 2,520,890.70

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Solution

The fourth proportional to 6,781,604.10, 10,172,406.15 and 2,520,890.70 is: 3,781,336.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781,604.10 : 10,172,406.15 = 2,520,890.70 : x
  2. Step 2: Convert to fraction form
    6,781,604.10/10,172,406.15 = 2,520,890.70/x
  3. Step 3: Cross multiply
    6,781,604.10x = 10,172,406.15 × 2,520,890.70
  4. Step 4: Simplify right side
    6,781,604.10x = 25,643,524,060,157.81
  5. Step 5: Solve for x
    x = 25,643,524,060,157.81/6,781,604.10
  6. Step 6: Final answer
    x = 3,781,336.05

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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.