Home / 3,445,438.48-5,167,763.37-921,290.56

Finding the Fourth Proportional to 3,445,438.48, 5,167,763.37 and 921,290.56

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Solution

The fourth proportional to 3,445,438.48, 5,167,763.37 and 921,290.56 is: 1,381,830.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445,438.48 : 5,167,763.37 = 921,290.56 : x
  2. Step 2: Convert to fraction form
    3,445,438.48/5,167,763.37 = 921,290.56/x
  3. Step 3: Cross multiply
    3,445,438.48x = 5,167,763.37 × 921,290.56
  4. Step 4: Simplify right side
    3,445,438.48x = 4,761,011,596,175.38
  5. Step 5: Solve for x
    x = 4,761,011,596,175.38/3,445,438.48
  6. Step 6: Final answer
    x = 1,381,830.39

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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.