Home / 5,404,325.85-8,105,215.32-1,990,758.78

Finding the Fourth Proportional to 5,404,325.85, 8,105,215.32 and 1,990,758.78

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Solution

The fourth proportional to 5,404,325.85, 8,105,215.32 and 1,990,758.78 is: 2,985,669.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,404,325.85 : 8,105,215.32 = 1,990,758.78 : x
  2. Step 2: Convert to fraction form
    5,404,325.85/8,105,215.32 = 1,990,758.78/x
  3. Step 3: Cross multiply
    5,404,325.85x = 8,105,215.32 × 1,990,758.78
  4. Step 4: Simplify right side
    5,404,325.85x = 16,135,528,562,080.51
  5. Step 5: Solve for x
    x = 16,135,528,562,080.51/5,404,325.85
  6. Step 6: Final answer
    x = 2,985,669.08

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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.