Home / 2,133,647.60-3,196,000.20-997,379.60

Finding the Fourth Proportional to 2,133,647.60, 3,196,000.20 and 997,379.60

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Solution

The fourth proportional to 2,133,647.60, 3,196,000.20 and 997,379.60 is: 1,493,979.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133,647.60 : 3,196,000.20 = 997,379.60 : x
  2. Step 2: Convert to fraction form
    2,133,647.60/3,196,000.20 = 997,379.60/x
  3. Step 3: Cross multiply
    2,133,647.60x = 3,196,000.20 × 997,379.60
  4. Step 4: Simplify right side
    2,133,647.60x = 3,187,625,401,075.92
  5. Step 5: Solve for x
    x = 3,187,625,401,075.92/2,133,647.60
  6. Step 6: Final answer
    x = 1,493,979.32

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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.