Home / 2,158,018.20-3,237,485.76-641,704.68

Finding the Fourth Proportional to 2,158,018.20, 3,237,485.76 and 641,704.68

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Solution

The fourth proportional to 2,158,018.20, 3,237,485.76 and 641,704.68 is: 962,693.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,018.20 : 3,237,485.76 = 641,704.68 : x
  2. Step 2: Convert to fraction form
    2,158,018.20/3,237,485.76 = 641,704.68/x
  3. Step 3: Cross multiply
    2,158,018.20x = 3,237,485.76 × 641,704.68
  4. Step 4: Simplify right side
    2,158,018.20x = 2,077,509,763,625.36
  5. Step 5: Solve for x
    x = 2,077,509,763,625.36/2,158,018.20
  6. Step 6: Final answer
    x = 962,693.35

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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.