Finding the Fourth Proportional to 3,392,158.79, 4,681,224.77 and 1,843,451.21
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Solution
The fourth proportional to 3,392,158.79, 4,681,224.77 and 1,843,451.21 is: 2,543,987.47
Step by Step Solution
- Step 1: Write the proportion equation
3,392,158.79 : 4,681,224.77 = 1,843,451.21 : x - Step 2: Convert to fraction form
3,392,158.79/4,681,224.77 = 1,843,451.21/x - Step 3: Cross multiply
3,392,158.79x = 4,681,224.77 × 1,843,451.21 - Step 4: Simplify right side
3,392,158.79x = 8,629,609,454,835.41 - Step 5: Solve for x
x = 8,629,609,454,835.41/3,392,158.79 - Step 6: Final answer
x = 2,543,987.47
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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.