Finding the Fourth Proportional to 1,609,865.94, 2,221,914.27 and 921,537.81
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Solution
The fourth proportional to 1,609,865.94, 2,221,914.27 and 921,537.81 is: 1,271,893.49
Step by Step Solution
- Step 1: Write the proportion equation
1,609,865.94 : 2,221,914.27 = 921,537.81 : x - Step 2: Convert to fraction form
1,609,865.94/2,221,914.27 = 921,537.81/x - Step 3: Cross multiply
1,609,865.94x = 2,221,914.27 × 921,537.81 - Step 4: Simplify right side
1,609,865.94x = 2,047,578,010,383.55 - Step 5: Solve for x
x = 2,047,578,010,383.55/1,609,865.94 - Step 6: Final answer
x = 1,271,893.49
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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.