Home / 5,429,050.73-8,143,571.41-1,385,538.22

Finding the Fourth Proportional to 5,429,050.73, 8,143,571.41 and 1,385,538.22

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Solution

The fourth proportional to 5,429,050.73, 8,143,571.41 and 1,385,538.22 is: 2,078,306.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,050.73 : 8,143,571.41 = 1,385,538.22 : x
  2. Step 2: Convert to fraction form
    5,429,050.73/8,143,571.41 = 1,385,538.22/x
  3. Step 3: Cross multiply
    5,429,050.73x = 8,143,571.41 × 1,385,538.22
  4. Step 4: Simplify right side
    5,429,050.73x = 11,283,229,435,854.29
  5. Step 5: Solve for x
    x = 11,283,229,435,854.29/5,429,050.73
  6. Step 6: Final answer
    x = 2,078,306.13

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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.