Home / 1,543,415.25-2,314,632.43-1,442,664.68

Finding the Fourth Proportional to 1,543,415.25, 2,314,632.43 and 1,442,664.68

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Solution

The fourth proportional to 1,543,415.25, 2,314,632.43 and 1,442,664.68 is: 2,163,538.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,415.25 : 2,314,632.43 = 1,442,664.68 : x
  2. Step 2: Convert to fraction form
    1,543,415.25/2,314,632.43 = 1,442,664.68/x
  3. Step 3: Cross multiply
    1,543,415.25x = 2,314,632.43 × 1,442,664.68
  4. Step 4: Simplify right side
    1,543,415.25x = 3,339,238,439,101.77
  5. Step 5: Solve for x
    x = 3,339,238,439,101.77/1,543,415.25
  6. Step 6: Final answer
    x = 2,163,538.59

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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.