Home / 1,992,893.60-2,989,340.40-1,974,231.20

Finding the Fourth Proportional to 1,992,893.60, 2,989,340.40 and 1,974,231.20

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Solution

The fourth proportional to 1,992,893.60, 2,989,340.40 and 1,974,231.20 is: 2,961,346.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,893.60 : 2,989,340.40 = 1,974,231.20 : x
  2. Step 2: Convert to fraction form
    1,992,893.60/2,989,340.40 = 1,974,231.20/x
  3. Step 3: Cross multiply
    1,992,893.60x = 2,989,340.40 × 1,974,231.20
  4. Step 4: Simplify right side
    1,992,893.60x = 5,901,649,085,100.48
  5. Step 5: Solve for x
    x = 5,901,649,085,100.48/1,992,893.60
  6. Step 6: Final answer
    x = 2,961,346.80

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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.