Home / 3,938,482.56-5,435,030.16-2,219,568.60

Finding the Fourth Proportional to 3,938,482.56, 5,435,030.16 and 2,219,568.60

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Solution

The fourth proportional to 3,938,482.56, 5,435,030.16 and 2,219,568.60 is: 3,062,961.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,482.56 : 5,435,030.16 = 2,219,568.60 : x
  2. Step 2: Convert to fraction form
    3,938,482.56/5,435,030.16 = 2,219,568.60/x
  3. Step 3: Cross multiply
    3,938,482.56x = 5,435,030.16 × 2,219,568.60
  4. Step 4: Simplify right side
    3,938,482.56x = 12,063,422,283,188.98
  5. Step 5: Solve for x
    x = 12,063,422,283,188.98/3,938,482.56
  6. Step 6: Final answer
    x = 3,062,961.97

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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.