Home / 1,768,174.71-2,652,280.56-1,415,431.05

Finding the Fourth Proportional to 1,768,174.71, 2,652,280.56 and 1,415,431.05

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Solution

The fourth proportional to 1,768,174.71, 2,652,280.56 and 1,415,431.05 is: 2,123,161.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768,174.71 : 2,652,280.56 = 1,415,431.05 : x
  2. Step 2: Convert to fraction form
    1,768,174.71/2,652,280.56 = 1,415,431.05/x
  3. Step 3: Cross multiply
    1,768,174.71x = 2,652,280.56 × 1,415,431.05
  4. Step 4: Simplify right side
    1,768,174.71x = 3,754,120,257,935.39
  5. Step 5: Solve for x
    x = 3,754,120,257,935.39/1,768,174.71
  6. Step 6: Final answer
    x = 2,123,161.38

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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.