Home / 5,621,328.15-8,430,730.25-2,585,778.63

Finding the Fourth Proportional to 5,621,328.15, 8,430,730.25 and 2,585,778.63

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Solution

The fourth proportional to 5,621,328.15, 8,430,730.25 and 2,585,778.63 is: 3,878,087.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621,328.15 : 8,430,730.25 = 2,585,778.63 : x
  2. Step 2: Convert to fraction form
    5,621,328.15/8,430,730.25 = 2,585,778.63/x
  3. Step 3: Cross multiply
    5,621,328.15x = 8,430,730.25 × 2,585,778.63
  4. Step 4: Simplify right side
    5,621,328.15x = 21,800,002,102,815.66
  5. Step 5: Solve for x
    x = 21,800,002,102,815.66/5,621,328.15
  6. Step 6: Final answer
    x = 3,878,087.44

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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.