Home / 2,590,989.91-3,886,983-993,428.39

Finding the Fourth Proportional to 2,590,989.91, 3,886,983 and 993,428.39

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Solution

The fourth proportional to 2,590,989.91, 3,886,983 and 993,428.39 is: 1,490,333.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590,989.91 : 3,886,983 = 993,428.39 : x
  2. Step 2: Convert to fraction form
    2,590,989.91/3,886,983 = 993,428.39/x
  3. Step 3: Cross multiply
    2,590,989.91x = 3,886,983 × 993,428.39
  4. Step 4: Simplify right side
    2,590,989.91x = 3,861,439,263,647.37
  5. Step 5: Solve for x
    x = 3,861,439,263,647.37/2,590,989.91
  6. Step 6: Final answer
    x = 1,490,333.58

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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.