Home / 5,075,221.05-7,003,157.20-2,899,905.03

Finding the Fourth Proportional to 5,075,221.05, 7,003,157.20 and 2,899,905.03

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Solution

The fourth proportional to 5,075,221.05, 7,003,157.20 and 2,899,905.03 is: 4,001,498.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075,221.05 : 7,003,157.20 = 2,899,905.03 : x
  2. Step 2: Convert to fraction form
    5,075,221.05/7,003,157.20 = 2,899,905.03/x
  3. Step 3: Cross multiply
    5,075,221.05x = 7,003,157.20 × 2,899,905.03
  4. Step 4: Simplify right side
    5,075,221.05x = 20,308,490,782,910.95
  5. Step 5: Solve for x
    x = 20,308,490,782,910.95/5,075,221.05
  6. Step 6: Final answer
    x = 4,001,498.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.