Finding the Fourth Proportional to 2,977,282.68, 4,109,575.21 and 2,366,519.19
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Solution
The fourth proportional to 2,977,282.68, 4,109,575.21 and 2,366,519.19 is: 3,266,531.81
Step by Step Solution
- Step 1: Write the proportion equation
2,977,282.68 : 4,109,575.21 = 2,366,519.19 : x - Step 2: Convert to fraction form
2,977,282.68/4,109,575.21 = 2,366,519.19/x - Step 3: Cross multiply
2,977,282.68x = 4,109,575.21 × 2,366,519.19 - Step 4: Simplify right side
2,977,282.68x = 9,725,388,570,749.11 - Step 5: Solve for x
x = 9,725,388,570,749.11/2,977,282.68 - Step 6: Final answer
x = 3,266,531.81
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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.