Home / 5,162,513.40-7,123,975.80-2,870,624.88

Finding the Fourth Proportional to 5,162,513.40, 7,123,975.80 and 2,870,624.88

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Solution

The fourth proportional to 5,162,513.40, 7,123,975.80 and 2,870,624.88 is: 3,961,299.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162,513.40 : 7,123,975.80 = 2,870,624.88 : x
  2. Step 2: Convert to fraction form
    5,162,513.40/7,123,975.80 = 2,870,624.88/x
  3. Step 3: Cross multiply
    5,162,513.40x = 7,123,975.80 × 2,870,624.88
  4. Step 4: Simplify right side
    5,162,513.40x = 20,450,262,175,997.90
  5. Step 5: Solve for x
    x = 20,450,262,175,997.90/5,162,513.40
  6. Step 6: Final answer
    x = 3,961,299.58

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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.