Home / 3,578,823-4,938,775.74-1,969,191

Finding the Fourth Proportional to 3,578,823, 4,938,775.74 and 1,969,191

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Solution

The fourth proportional to 3,578,823, 4,938,775.74 and 1,969,191 is: 2,717,483.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578,823 : 4,938,775.74 = 1,969,191 : x
  2. Step 2: Convert to fraction form
    3,578,823/4,938,775.74 = 1,969,191/x
  3. Step 3: Cross multiply
    3,578,823x = 4,938,775.74 × 1,969,191
  4. Step 4: Simplify right side
    3,578,823x = 9,725,392,738,226.34
  5. Step 5: Solve for x
    x = 9,725,392,738,226.34/3,578,823
  6. Step 6: Final answer
    x = 2,717,483.58

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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.