Finding the Fourth Proportional to 2,989,193.49, 4,124,058.71 and 1,812,171.96
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Solution
The fourth proportional to 2,989,193.49, 4,124,058.71 and 1,812,171.96 is: 2,500,173.90
Step by Step Solution
- Step 1: Write the proportion equation
2,989,193.49 : 4,124,058.71 = 1,812,171.96 : x - Step 2: Convert to fraction form
2,989,193.49/4,124,058.71 = 1,812,171.96/x - Step 3: Cross multiply
2,989,193.49x = 4,124,058.71 × 1,812,171.96 - Step 4: Simplify right side
2,989,193.49x = 7,473,503,546,594.91 - Step 5: Solve for x
x = 7,473,503,546,594.91/2,989,193.49 - Step 6: Final answer
x = 2,500,173.90
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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.