Home / 3,985,899.30-5,977,682.55-1,426,817.70

Finding the Fourth Proportional to 3,985,899.30, 5,977,682.55 and 1,426,817.70

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Solution

The fourth proportional to 3,985,899.30, 5,977,682.55 and 1,426,817.70 is: 2,139,809.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,899.30 : 5,977,682.55 = 1,426,817.70 : x
  2. Step 2: Convert to fraction form
    3,985,899.30/5,977,682.55 = 1,426,817.70/x
  3. Step 3: Cross multiply
    3,985,899.30x = 5,977,682.55 × 1,426,817.70
  4. Step 4: Simplify right side
    3,985,899.30x = 8,529,063,267,321.14
  5. Step 5: Solve for x
    x = 8,529,063,267,321.14/3,985,899.30
  6. Step 6: Final answer
    x = 2,139,809.02

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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.