Home / 2,775,065.96-3,829,379.26-1,687,186.55

Finding the Fourth Proportional to 2,775,065.96, 3,829,379.26 and 1,687,186.55

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Solution

The fourth proportional to 2,775,065.96, 3,829,379.26 and 1,687,186.55 is: 2,328,188.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775,065.96 : 3,829,379.26 = 1,687,186.55 : x
  2. Step 2: Convert to fraction form
    2,775,065.96/3,829,379.26 = 1,687,186.55/x
  3. Step 3: Cross multiply
    2,775,065.96x = 3,829,379.26 × 1,687,186.55
  4. Step 4: Simplify right side
    2,775,065.96x = 6,460,877,182,320.95
  5. Step 5: Solve for x
    x = 6,460,877,182,320.95/2,775,065.96
  6. Step 6: Final answer
    x = 2,328,188.69

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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.