Home / 2,286,409.86-3,429,612.98-688,972.96

Finding the Fourth Proportional to 2,286,409.86, 3,429,612.98 and 688,972.96

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Solution

The fourth proportional to 2,286,409.86, 3,429,612.98 and 688,972.96 is: 1,033,458.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286,409.86 : 3,429,612.98 = 688,972.96 : x
  2. Step 2: Convert to fraction form
    2,286,409.86/3,429,612.98 = 688,972.96/x
  3. Step 3: Cross multiply
    2,286,409.86x = 3,429,612.98 × 688,972.96
  4. Step 4: Simplify right side
    2,286,409.86x = 2,362,910,606,485.02
  5. Step 5: Solve for x
    x = 2,362,910,606,485.02/2,286,409.86
  6. Step 6: Final answer
    x = 1,033,458.89

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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.