Home / 3,615,846.56-4,989,929.49-1,984,405.72

Finding the Fourth Proportional to 3,615,846.56, 4,989,929.49 and 1,984,405.72

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Solution

The fourth proportional to 3,615,846.56, 4,989,929.49 and 1,984,405.72 is: 2,738,513.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615,846.56 : 4,989,929.49 = 1,984,405.72 : x
  2. Step 2: Convert to fraction form
    3,615,846.56/4,989,929.49 = 1,984,405.72/x
  3. Step 3: Cross multiply
    3,615,846.56x = 4,989,929.49 × 1,984,405.72
  4. Step 4: Simplify right side
    3,615,846.56x = 9,902,044,597,403.04
  5. Step 5: Solve for x
    x = 9,902,044,597,403.04/3,615,846.56
  6. Step 6: Final answer
    x = 2,738,513.49

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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.