Home / 3,562,070.12-5,339,933.92-1,287,087.12

Finding the Fourth Proportional to 3,562,070.12, 5,339,933.92 and 1,287,087.12

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Solution

The fourth proportional to 3,562,070.12, 5,339,933.92 and 1,287,087.12 is: 1,929,484.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,562,070.12 : 5,339,933.92 = 1,287,087.12 : x
  2. Step 2: Convert to fraction form
    3,562,070.12/5,339,933.92 = 1,287,087.12/x
  3. Step 3: Cross multiply
    3,562,070.12x = 5,339,933.92 × 1,287,087.12
  4. Step 4: Simplify right side
    3,562,070.12x = 6,872,960,170,083.11
  5. Step 5: Solve for x
    x = 6,872,960,170,083.11/3,562,070.12
  6. Step 6: Final answer
    x = 1,929,484.80

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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.