Finding the Fourth Proportional to 2,381,513.67, 3,579,356.39 and 1,120,227.03
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Solution
The fourth proportional to 2,381,513.67, 3,579,356.39 and 1,120,227.03 is: 1,683,673.63
Step by Step Solution
- Step 1: Write the proportion equation
2,381,513.67 : 3,579,356.39 = 1,120,227.03 : x - Step 2: Convert to fraction form
2,381,513.67/3,579,356.39 = 1,120,227.03/x - Step 3: Cross multiply
2,381,513.67x = 3,579,356.39 × 1,120,227.03 - Step 4: Simplify right side
2,381,513.67x = 4,009,691,772,480.09 - Step 5: Solve for x
x = 4,009,691,772,480.09/2,381,513.67 - Step 6: Final answer
x = 1,683,673.63
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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.