Home / 2,127,000.70-3,190,501.05-1,329,183.10

Finding the Fourth Proportional to 2,127,000.70, 3,190,501.05 and 1,329,183.10

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Solution

The fourth proportional to 2,127,000.70, 3,190,501.05 and 1,329,183.10 is: 1,993,774.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,000.70 : 3,190,501.05 = 1,329,183.10 : x
  2. Step 2: Convert to fraction form
    2,127,000.70/3,190,501.05 = 1,329,183.10/x
  3. Step 3: Cross multiply
    2,127,000.70x = 3,190,501.05 × 1,329,183.10
  4. Step 4: Simplify right side
    2,127,000.70x = 4,240,760,076,192.26
  5. Step 5: Solve for x
    x = 4,240,760,076,192.26/2,127,000.70
  6. Step 6: Final answer
    x = 1,993,774.65

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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.