Home / 1,903,845.80-2,860,434.30-1,431,453.80

Finding the Fourth Proportional to 1,903,845.80, 2,860,434.30 and 1,431,453.80

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Solution

The fourth proportional to 1,903,845.80, 2,860,434.30 and 1,431,453.80 is: 2,150,688.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903,845.80 : 2,860,434.30 = 1,431,453.80 : x
  2. Step 2: Convert to fraction form
    1,903,845.80/2,860,434.30 = 1,431,453.80/x
  3. Step 3: Cross multiply
    1,903,845.80x = 2,860,434.30 × 1,431,453.80
  4. Step 4: Simplify right side
    1,903,845.80x = 4,094,579,548,385.34
  5. Step 5: Solve for x
    x = 4,094,579,548,385.34/1,903,845.80
  6. Step 6: Final answer
    x = 2,150,688.65

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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.