Home / 1,779,936.78-2,670,029.70-881,137.20

Finding the Fourth Proportional to 1,779,936.78, 2,670,029.70 and 881,137.20

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Solution

The fourth proportional to 1,779,936.78, 2,670,029.70 and 881,137.20 is: 1,321,767.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,936.78 : 2,670,029.70 = 881,137.20 : x
  2. Step 2: Convert to fraction form
    1,779,936.78/2,670,029.70 = 881,137.20/x
  3. Step 3: Cross multiply
    1,779,936.78x = 2,670,029.70 × 881,137.20
  4. Step 4: Simplify right side
    1,779,936.78x = 2,352,662,493,774.84
  5. Step 5: Solve for x
    x = 2,352,662,493,774.84/1,779,936.78
  6. Step 6: Final answer
    x = 1,321,767.45

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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.