Home / 2,639,420.64-3,959,096.40-644,893.92

Finding the Fourth Proportional to 2,639,420.64, 3,959,096.40 and 644,893.92

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Solution

The fourth proportional to 2,639,420.64, 3,959,096.40 and 644,893.92 is: 967,332.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,420.64 : 3,959,096.40 = 644,893.92 : x
  2. Step 2: Convert to fraction form
    2,639,420.64/3,959,096.40 = 644,893.92/x
  3. Step 3: Cross multiply
    2,639,420.64x = 3,959,096.40 × 644,893.92
  4. Step 4: Simplify right side
    2,639,420.64x = 2,553,197,197,053.89
  5. Step 5: Solve for x
    x = 2,553,197,197,053.89/2,639,420.64
  6. Step 6: Final answer
    x = 967,332.44

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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.