Finding the Fourth Proportional to 4,152,395.40, 6,228,593.10 and 2,549,761.80
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Solution
The fourth proportional to 4,152,395.40, 6,228,593.10 and 2,549,761.80 is: 3,824,642.70
Step by Step Solution
- Step 1: Write the proportion equation
4,152,395.40 : 6,228,593.10 = 2,549,761.80 : x - Step 2: Convert to fraction form
4,152,395.40/6,228,593.10 = 2,549,761.80/x - Step 3: Cross multiply
4,152,395.40x = 6,228,593.10 × 2,549,761.80 - Step 4: Simplify right side
4,152,395.40x = 15,881,428,754,123.58 - Step 5: Solve for x
x = 15,881,428,754,123.58/4,152,395.40 - Step 6: Final answer
x = 3,824,642.70
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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.