Home / 1,961,533.26-2,708,123.58-1,555,276.14

Finding the Fourth Proportional to 1,961,533.26, 2,708,123.58 and 1,555,276.14

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Solution

The fourth proportional to 1,961,533.26, 2,708,123.58 and 1,555,276.14 is: 2,147,238.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961,533.26 : 2,708,123.58 = 1,555,276.14 : x
  2. Step 2: Convert to fraction form
    1,961,533.26/2,708,123.58 = 1,555,276.14/x
  3. Step 3: Cross multiply
    1,961,533.26x = 2,708,123.58 × 1,555,276.14
  4. Step 4: Simplify right side
    1,961,533.26x = 4,211,879,988,145.38
  5. Step 5: Solve for x
    x = 4,211,879,988,145.38/1,961,533.26
  6. Step 6: Final answer
    x = 2,147,238.63

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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.