Home / 2,640,955.41-3,644,463.65-1,433,731.41

Finding the Fourth Proportional to 2,640,955.41, 3,644,463.65 and 1,433,731.41

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Solution

The fourth proportional to 2,640,955.41, 3,644,463.65 and 1,433,731.41 is: 1,978,519.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,955.41 : 3,644,463.65 = 1,433,731.41 : x
  2. Step 2: Convert to fraction form
    2,640,955.41/3,644,463.65 = 1,433,731.41/x
  3. Step 3: Cross multiply
    2,640,955.41x = 3,644,463.65 × 1,433,731.41
  4. Step 4: Simplify right side
    2,640,955.41x = 5,225,182,000,439.59
  5. Step 5: Solve for x
    x = 5,225,182,000,439.59/2,640,955.41
  6. Step 6: Final answer
    x = 1,978,519.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.