Finding the Fourth Proportional to 3,833,918.40, 5,749,893.12 and 1,137,605.88
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Solution
The fourth proportional to 3,833,918.40, 5,749,893.12 and 1,137,605.88 is: 1,706,116.70
Step by Step Solution
- Step 1: Write the proportion equation
3,833,918.40 : 5,749,893.12 = 1,137,605.88 : x - Step 2: Convert to fraction form
3,833,918.40/5,749,893.12 = 1,137,605.88/x - Step 3: Cross multiply
3,833,918.40x = 5,749,893.12 × 1,137,605.88 - Step 4: Simplify right side
3,833,918.40x = 6,541,112,222,683.55 - Step 5: Solve for x
x = 6,541,112,222,683.55/3,833,918.40 - Step 6: Final answer
x = 1,706,116.70
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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.