Home / 2,907,863.86-4,362,269.22-858,731.68

Finding the Fourth Proportional to 2,907,863.86, 4,362,269.22 and 858,731.68

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Solution

The fourth proportional to 2,907,863.86, 4,362,269.22 and 858,731.68 is: 1,288,237.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907,863.86 : 4,362,269.22 = 858,731.68 : x
  2. Step 2: Convert to fraction form
    2,907,863.86/4,362,269.22 = 858,731.68/x
  3. Step 3: Cross multiply
    2,907,863.86x = 4,362,269.22 × 858,731.68
  4. Step 4: Simplify right side
    2,907,863.86x = 3,746,018,791,209.43
  5. Step 5: Solve for x
    x = 3,746,018,791,209.43/2,907,863.86
  6. Step 6: Final answer
    x = 1,288,237.33

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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.