Home / 5,412,676.40-8,119,014.60-1,625,667.20

Finding the Fourth Proportional to 5,412,676.40, 8,119,014.60 and 1,625,667.20

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Solution

The fourth proportional to 5,412,676.40, 8,119,014.60 and 1,625,667.20 is: 2,438,500.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412,676.40 : 8,119,014.60 = 1,625,667.20 : x
  2. Step 2: Convert to fraction form
    5,412,676.40/8,119,014.60 = 1,625,667.20/x
  3. Step 3: Cross multiply
    5,412,676.40x = 8,119,014.60 × 1,625,667.20
  4. Step 4: Simplify right side
    5,412,676.40x = 13,198,815,731,541.12
  5. Step 5: Solve for x
    x = 13,198,815,731,541.12/5,412,676.40
  6. Step 6: Final answer
    x = 2,438,500.80

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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.