Home / 3,977,416.82-5,967,640.01-1,384,009.72

Finding the Fourth Proportional to 3,977,416.82, 5,967,640.01 and 1,384,009.72

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Solution

The fourth proportional to 3,977,416.82, 5,967,640.01 and 1,384,009.72 is: 2,076,541.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977,416.82 : 5,967,640.01 = 1,384,009.72 : x
  2. Step 2: Convert to fraction form
    3,977,416.82/5,967,640.01 = 1,384,009.72/x
  3. Step 3: Cross multiply
    3,977,416.82x = 5,967,640.01 × 1,384,009.72
  4. Step 4: Simplify right side
    3,977,416.82x = 8,259,271,779,300.90
  5. Step 5: Solve for x
    x = 8,259,271,779,300.90/3,977,416.82
  6. Step 6: Final answer
    x = 2,076,541.67

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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.