Home / 1,977,415.68-2,728,855.14-1,161,653.76

Finding the Fourth Proportional to 1,977,415.68, 2,728,855.14 and 1,161,653.76

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Solution

The fourth proportional to 1,977,415.68, 2,728,855.14 and 1,161,653.76 is: 1,603,094.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,415.68 : 2,728,855.14 = 1,161,653.76 : x
  2. Step 2: Convert to fraction form
    1,977,415.68/2,728,855.14 = 1,161,653.76/x
  3. Step 3: Cross multiply
    1,977,415.68x = 2,728,855.14 × 1,161,653.76
  4. Step 4: Simplify right side
    1,977,415.68x = 3,169,984,833,876.33
  5. Step 5: Solve for x
    x = 3,169,984,833,876.33/1,977,415.68
  6. Step 6: Final answer
    x = 1,603,094.82

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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.