Finding the Fourth Proportional to 3,831,461.49, 5,747,636.94 and 1,272,904.77
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Solution
The fourth proportional to 3,831,461.49, 5,747,636.94 and 1,272,904.77 is: 1,909,504.90
Step by Step Solution
- Step 1: Write the proportion equation
3,831,461.49 : 5,747,636.94 = 1,272,904.77 : x - Step 2: Convert to fraction form
3,831,461.49/5,747,636.94 = 1,272,904.77/x - Step 3: Cross multiply
3,831,461.49x = 5,747,636.94 × 1,272,904.77 - Step 4: Simplify right side
3,831,461.49x = 7,316,194,477,154.20 - Step 5: Solve for x
x = 7,316,194,477,154.20/3,831,461.49 - Step 6: Final answer
x = 1,909,504.90
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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.