Finding the Fourth Proportional to 3,233,683.18, 4,461,715.57 and 1,838,135.28
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Solution
The fourth proportional to 3,233,683.18, 4,461,715.57 and 1,838,135.28 is: 2,536,190.57
Step by Step Solution
- Step 1: Write the proportion equation
3,233,683.18 : 4,461,715.57 = 1,838,135.28 : x - Step 2: Convert to fraction form
3,233,683.18/4,461,715.57 = 1,838,135.28/x - Step 3: Cross multiply
3,233,683.18x = 4,461,715.57 × 1,838,135.28 - Step 4: Simplify right side
3,233,683.18x = 8,201,236,798,542.31 - Step 5: Solve for x
x = 8,201,236,798,542.31/3,233,683.18 - Step 6: Final answer
x = 2,536,190.57
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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.