Home / 3,349,128.85-4,621,658.25-1,898,922.40

Finding the Fourth Proportional to 3,349,128.85, 4,621,658.25 and 1,898,922.40

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Solution

The fourth proportional to 3,349,128.85, 4,621,658.25 and 1,898,922.40 is: 2,620,433.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,349,128.85 : 4,621,658.25 = 1,898,922.40 : x
  2. Step 2: Convert to fraction form
    3,349,128.85/4,621,658.25 = 1,898,922.40/x
  3. Step 3: Cross multiply
    3,349,128.85x = 4,621,658.25 × 1,898,922.40
  4. Step 4: Simplify right side
    3,349,128.85x = 8,776,170,376,069.80
  5. Step 5: Solve for x
    x = 8,776,170,376,069.80/3,349,128.85
  6. Step 6: Final answer
    x = 2,620,433.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.