Home / 1,872,930.32-2,584,011.22-1,219,257.89

Finding the Fourth Proportional to 1,872,930.32, 2,584,011.22 and 1,219,257.89

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Solution

The fourth proportional to 1,872,930.32, 2,584,011.22 and 1,219,257.89 is: 1,682,164.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,930.32 : 2,584,011.22 = 1,219,257.89 : x
  2. Step 2: Convert to fraction form
    1,872,930.32/2,584,011.22 = 1,219,257.89/x
  3. Step 3: Cross multiply
    1,872,930.32x = 2,584,011.22 × 1,219,257.89
  4. Step 4: Simplify right side
    1,872,930.32x = 3,150,576,048,817.18
  5. Step 5: Solve for x
    x = 3,150,576,048,817.18/1,872,930.32
  6. Step 6: Final answer
    x = 1,682,164.05

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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.