Home / 3,615,684.32-4,989,630.66-1,984,118.96

Finding the Fourth Proportional to 3,615,684.32, 4,989,630.66 and 1,984,118.96

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Solution

The fourth proportional to 3,615,684.32, 4,989,630.66 and 1,984,118.96 is: 2,738,076.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615,684.32 : 4,989,630.66 = 1,984,118.96 : x
  2. Step 2: Convert to fraction form
    3,615,684.32/4,989,630.66 = 1,984,118.96/x
  3. Step 3: Cross multiply
    3,615,684.32x = 4,989,630.66 × 1,984,118.96
  4. Step 4: Simplify right side
    3,615,684.32x = 9,900,020,795,903.32
  5. Step 5: Solve for x
    x = 9,900,020,795,903.32/3,615,684.32
  6. Step 6: Final answer
    x = 2,738,076.65

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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.