Home / 5,429,043.34-8,143,560.37-1,385,530.83

Finding the Fourth Proportional to 5,429,043.34, 8,143,560.37 and 1,385,530.83

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Solution

The fourth proportional to 5,429,043.34, 8,143,560.37 and 1,385,530.83 is: 2,078,295.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,043.34 : 8,143,560.37 = 1,385,530.83 : x
  2. Step 2: Convert to fraction form
    5,429,043.34/8,143,560.37 = 1,385,530.83/x
  3. Step 3: Cross multiply
    5,429,043.34x = 8,143,560.37 × 1,385,530.83
  4. Step 4: Simplify right side
    5,429,043.34x = 11,283,153,958,601.21
  5. Step 5: Solve for x
    x = 11,283,153,958,601.21/5,429,043.34
  6. Step 6: Final answer
    x = 2,078,295.06

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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.