Home / 2,644,957.63-3,964,115.85-1,430,485.86

Finding the Fourth Proportional to 2,644,957.63, 3,964,115.85 and 1,430,485.86

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Solution

The fourth proportional to 2,644,957.63, 3,964,115.85 and 1,430,485.86 is: 2,143,932.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,644,957.63 : 3,964,115.85 = 1,430,485.86 : x
  2. Step 2: Convert to fraction form
    2,644,957.63/3,964,115.85 = 1,430,485.86/x
  3. Step 3: Cross multiply
    2,644,957.63x = 3,964,115.85 × 1,430,485.86
  4. Step 4: Simplify right side
    2,644,957.63x = 5,670,611,670,826.88
  5. Step 5: Solve for x
    x = 5,670,611,670,826.88/2,644,957.63
  6. Step 6: Final answer
    x = 2,143,932.90

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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.