Home / 3,145,555.50-4,717,134.27-1,123,421.82

Finding the Fourth Proportional to 3,145,555.50, 4,717,134.27 and 1,123,421.82

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Solution

The fourth proportional to 3,145,555.50, 4,717,134.27 and 1,123,421.82 is: 1,684,704.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145,555.50 : 4,717,134.27 = 1,123,421.82 : x
  2. Step 2: Convert to fraction form
    3,145,555.50/4,717,134.27 = 1,123,421.82/x
  3. Step 3: Cross multiply
    3,145,555.50x = 4,717,134.27 × 1,123,421.82
  4. Step 4: Simplify right side
    3,145,555.50x = 5,299,331,566,787.77
  5. Step 5: Solve for x
    x = 5,299,331,566,787.77/3,145,555.50
  6. Step 6: Final answer
    x = 1,684,704.52

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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.