Finding the Fourth Proportional to 7,132,477.68, 10,698,679.08 and 1,741,156.56
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Solution
The fourth proportional to 7,132,477.68, 10,698,679.08 and 1,741,156.56 is: 2,611,725.70
Step by Step Solution
- Step 1: Write the proportion equation
7,132,477.68 : 10,698,679.08 = 1,741,156.56 : x - Step 2: Convert to fraction form
7,132,477.68/10,698,679.08 = 1,741,156.56/x - Step 3: Cross multiply
7,132,477.68x = 10,698,679.08 × 1,741,156.56 - Step 4: Simplify right side
7,132,477.68x = 18,628,075,263,476.77 - Step 5: Solve for x
x = 18,628,075,263,476.77/7,132,477.68 - Step 6: Final answer
x = 2,611,725.70
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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.