Home / 1,886,966.39-2,827,830.96-859,786.39

Finding the Fourth Proportional to 1,886,966.39, 2,827,830.96 and 859,786.39

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Solution

The fourth proportional to 1,886,966.39, 2,827,830.96 and 859,786.39 is: 1,288,486.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886,966.39 : 2,827,830.96 = 859,786.39 : x
  2. Step 2: Convert to fraction form
    1,886,966.39/2,827,830.96 = 859,786.39/x
  3. Step 3: Cross multiply
    1,886,966.39x = 2,827,830.96 × 859,786.39
  4. Step 4: Simplify right side
    1,886,966.39x = 2,431,330,576,163.42
  5. Step 5: Solve for x
    x = 2,431,330,576,163.42/1,886,966.39
  6. Step 6: Final answer
    x = 1,288,486.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.