Home / 2,016,886.40-3,025,329.60-1,638,972.80

Finding the Fourth Proportional to 2,016,886.40, 3,025,329.60 and 1,638,972.80

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Solution

The fourth proportional to 2,016,886.40, 3,025,329.60 and 1,638,972.80 is: 2,458,459.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,016,886.40 : 3,025,329.60 = 1,638,972.80 : x
  2. Step 2: Convert to fraction form
    2,016,886.40/3,025,329.60 = 1,638,972.80/x
  3. Step 3: Cross multiply
    2,016,886.40x = 3,025,329.60 × 1,638,972.80
  4. Step 4: Simplify right side
    2,016,886.40x = 4,958,432,925,434.88
  5. Step 5: Solve for x
    x = 4,958,432,925,434.88/2,016,886.40
  6. Step 6: Final answer
    x = 2,458,459.20

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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.