Home / 3,020,641.44-4,530,269.77-861,625.45

Finding the Fourth Proportional to 3,020,641.44, 4,530,269.77 and 861,625.45

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Solution

The fourth proportional to 3,020,641.44, 4,530,269.77 and 861,625.45 is: 1,292,240.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020,641.44 : 4,530,269.77 = 861,625.45 : x
  2. Step 2: Convert to fraction form
    3,020,641.44/4,530,269.77 = 861,625.45/x
  3. Step 3: Cross multiply
    3,020,641.44x = 4,530,269.77 × 861,625.45
  4. Step 4: Simplify right side
    3,020,641.44x = 3,903,395,737,553.06
  5. Step 5: Solve for x
    x = 3,903,395,737,553.06/3,020,641.44
  6. Step 6: Final answer
    x = 1,292,240.68

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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.