Home / 3,888,042.41-5,365,501.89-2,169,163.42

Finding the Fourth Proportional to 3,888,042.41, 5,365,501.89 and 2,169,163.42

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Solution

The fourth proportional to 3,888,042.41, 5,365,501.89 and 2,169,163.42 is: 2,993,447.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888,042.41 : 5,365,501.89 = 2,169,163.42 : x
  2. Step 2: Convert to fraction form
    3,888,042.41/5,365,501.89 = 2,169,163.42/x
  3. Step 3: Cross multiply
    3,888,042.41x = 5,365,501.89 × 2,169,163.42
  4. Step 4: Simplify right side
    3,888,042.41x = 11,638,650,402,901.35
  5. Step 5: Solve for x
    x = 11,638,650,402,901.35/3,888,042.41
  6. Step 6: Final answer
    x = 2,993,447.39

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1.5x scale

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.