Home / 2,084,745.60-3,127,118.40-1,283,428.80

Finding the Fourth Proportional to 2,084,745.60, 3,127,118.40 and 1,283,428.80

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Solution

The fourth proportional to 2,084,745.60, 3,127,118.40 and 1,283,428.80 is: 1,925,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084,745.60 : 3,127,118.40 = 1,283,428.80 : x
  2. Step 2: Convert to fraction form
    2,084,745.60/3,127,118.40 = 1,283,428.80/x
  3. Step 3: Cross multiply
    2,084,745.60x = 3,127,118.40 × 1,283,428.80
  4. Step 4: Simplify right side
    2,084,745.60x = 4,013,433,815,569.92
  5. Step 5: Solve for x
    x = 4,013,433,815,569.92/2,084,745.60
  6. Step 6: Final answer
    x = 1,925,143.20

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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.