Home / 2,128,102.80-3,192,157.85-1,704,333.89

Finding the Fourth Proportional to 2,128,102.80, 3,192,157.85 and 1,704,333.89

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Solution

The fourth proportional to 2,128,102.80, 3,192,157.85 and 1,704,333.89 is: 2,556,503.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,102.80 : 3,192,157.85 = 1,704,333.89 : x
  2. Step 2: Convert to fraction form
    2,128,102.80/3,192,157.85 = 1,704,333.89/x
  3. Step 3: Cross multiply
    2,128,102.80x = 3,192,157.85 × 1,704,333.89
  4. Step 4: Simplify right side
    2,128,102.80x = 5,440,502,781,502.08
  5. Step 5: Solve for x
    x = 5,440,502,781,502.08/2,128,102.80
  6. Step 6: Final answer
    x = 2,556,503.75

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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.