Home / 5,075,672.72-7,610,467.77-1,615,917.20

Finding the Fourth Proportional to 5,075,672.72, 7,610,467.77 and 1,615,917.20

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Solution

The fourth proportional to 5,075,672.72, 7,610,467.77 and 1,615,917.20 is: 2,422,907.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075,672.72 : 7,610,467.77 = 1,615,917.20 : x
  2. Step 2: Convert to fraction form
    5,075,672.72/7,610,467.77 = 1,615,917.20/x
  3. Step 3: Cross multiply
    5,075,672.72x = 7,610,467.77 × 1,615,917.20
  4. Step 4: Simplify right side
    5,075,672.72x = 12,297,885,731,536.30
  5. Step 5: Solve for x
    x = 12,297,885,731,536.30/5,075,672.72
  6. Step 6: Final answer
    x = 2,422,907.55

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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.