Home / 3,609,411-4,980,512.70-2,158,576.44

Finding the Fourth Proportional to 3,609,411, 4,980,512.70 and 2,158,576.44

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Solution

The fourth proportional to 3,609,411, 4,980,512.70 and 2,158,576.44 is: 2,978,551.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609,411 : 4,980,512.70 = 2,158,576.44 : x
  2. Step 2: Convert to fraction form
    3,609,411/4,980,512.70 = 2,158,576.44/x
  3. Step 3: Cross multiply
    3,609,411x = 4,980,512.70 × 2,158,576.44
  4. Step 4: Simplify right side
    3,609,411x = 10,750,817,373,340.79
  5. Step 5: Solve for x
    x = 10,750,817,373,340.79/3,609,411
  6. Step 6: Final answer
    x = 2,978,551.73

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1.5x scale

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.