Home / 4,779,676.45-7,162,560-2,954,143.81

Finding the Fourth Proportional to 4,779,676.45, 7,162,560 and 2,954,143.81

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Solution

The fourth proportional to 4,779,676.45, 7,162,560 and 2,954,143.81 is: 4,426,917.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779,676.45 : 7,162,560 = 2,954,143.81 : x
  2. Step 2: Convert to fraction form
    4,779,676.45/7,162,560 = 2,954,143.81/x
  3. Step 3: Cross multiply
    4,779,676.45x = 7,162,560 × 2,954,143.81
  4. Step 4: Simplify right side
    4,779,676.45x = 21,159,232,269,847.20
  5. Step 5: Solve for x
    x = 21,159,232,269,847.20/4,779,676.45
  6. Step 6: Final answer
    x = 4,426,917.28

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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.