Home / 5,455,379.45-8,182,772.56-1,668,862.33

Finding the Fourth Proportional to 5,455,379.45, 8,182,772.56 and 1,668,862.33

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Solution

The fourth proportional to 5,455,379.45, 8,182,772.56 and 1,668,862.33 is: 2,503,202.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455,379.45 : 8,182,772.56 = 1,668,862.33 : x
  2. Step 2: Convert to fraction form
    5,455,379.45/8,182,772.56 = 1,668,862.33/x
  3. Step 3: Cross multiply
    5,455,379.45x = 8,182,772.56 × 1,668,862.33
  4. Step 4: Simplify right side
    5,455,379.45x = 13,655,920,880,341.66
  5. Step 5: Solve for x
    x = 13,655,920,880,341.66/5,455,379.45
  6. Step 6: Final answer
    x = 2,503,202.76

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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.