Finding the Fourth Proportional to 1,892,448.36, 2,611,652.22 and 1,128,485.52
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Solution
The fourth proportional to 1,892,448.36, 2,611,652.22 and 1,128,485.52 is: 1,557,353.84
Step by Step Solution
- Step 1: Write the proportion equation
1,892,448.36 : 2,611,652.22 = 1,128,485.52 : x - Step 2: Convert to fraction form
1,892,448.36/2,611,652.22 = 1,128,485.52/x - Step 3: Cross multiply
1,892,448.36x = 2,611,652.22 × 1,128,485.52 - Step 4: Simplify right side
1,892,448.36x = 2,947,211,713,545.85 - Step 5: Solve for x
x = 2,947,211,713,545.85/1,892,448.36 - Step 6: Final answer
x = 1,557,353.84
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.