Finding the Fourth Proportional to 2,952,343.80, 4,428,515.70 and 1,058,839.20
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Solution
The fourth proportional to 2,952,343.80, 4,428,515.70 and 1,058,839.20 is: 1,588,258.80
Step by Step Solution
- Step 1: Write the proportion equation
2,952,343.80 : 4,428,515.70 = 1,058,839.20 : x - Step 2: Convert to fraction form
2,952,343.80/4,428,515.70 = 1,058,839.20/x - Step 3: Cross multiply
2,952,343.80x = 4,428,515.70 × 1,058,839.20 - Step 4: Simplify right side
2,952,343.80x = 4,689,086,020,975.44 - Step 5: Solve for x
x = 4,689,086,020,975.44/2,952,343.80 - Step 6: Final answer
x = 1,588,258.80
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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.