Home / 5,419,435.59-8,129,157.03-1,376,226.63

Finding the Fourth Proportional to 5,419,435.59, 8,129,157.03 and 1,376,226.63

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Solution

The fourth proportional to 5,419,435.59, 8,129,157.03 and 1,376,226.63 is: 2,064,340.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419,435.59 : 8,129,157.03 = 1,376,226.63 : x
  2. Step 2: Convert to fraction form
    5,419,435.59/8,129,157.03 = 1,376,226.63/x
  3. Step 3: Cross multiply
    5,419,435.59x = 8,129,157.03 × 1,376,226.63
  4. Step 4: Simplify right side
    5,419,435.59x = 11,187,562,384,137.71
  5. Step 5: Solve for x
    x = 11,187,562,384,137.71/5,419,435.59
  6. Step 6: Final answer
    x = 2,064,340.87

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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.