Home / 3,413,427.21-5,120,337.42-1,283,529.78

Finding the Fourth Proportional to 3,413,427.21, 5,120,337.42 and 1,283,529.78

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Solution

The fourth proportional to 3,413,427.21, 5,120,337.42 and 1,283,529.78 is: 1,925,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413,427.21 : 5,120,337.42 = 1,283,529.78 : x
  2. Step 2: Convert to fraction form
    3,413,427.21/5,120,337.42 = 1,283,529.78/x
  3. Step 3: Cross multiply
    3,413,427.21x = 5,120,337.42 × 1,283,529.78
  4. Step 4: Simplify right side
    3,413,427.21x = 6,572,105,562,218.37
  5. Step 5: Solve for x
    x = 6,572,105,562,218.37/3,413,427.21
  6. Step 6: Final answer
    x = 1,925,368.60

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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.