Home / 3,621,467.10-5,432,200.65-2,128,475.10

Finding the Fourth Proportional to 3,621,467.10, 5,432,200.65 and 2,128,475.10

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Solution

The fourth proportional to 3,621,467.10, 5,432,200.65 and 2,128,475.10 is: 3,192,712.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621,467.10 : 5,432,200.65 = 2,128,475.10 : x
  2. Step 2: Convert to fraction form
    3,621,467.10/5,432,200.65 = 2,128,475.10/x
  3. Step 3: Cross multiply
    3,621,467.10x = 5,432,200.65 × 2,128,475.10
  4. Step 4: Simplify right side
    3,621,467.10x = 11,562,303,821,728.82
  5. Step 5: Solve for x
    x = 11,562,303,821,728.82/3,621,467.10
  6. Step 6: Final answer
    x = 3,192,712.65

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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.