Finding the Fourth Proportional to 4,232,868.42, 5,841,389.99 and 2,299,128.49
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Solution
The fourth proportional to 4,232,868.42, 5,841,389.99 and 2,299,128.49 is: 3,172,814.46
Step by Step Solution
- Step 1: Write the proportion equation
4,232,868.42 : 5,841,389.99 = 2,299,128.49 : x - Step 2: Convert to fraction form
4,232,868.42/5,841,389.99 = 2,299,128.49/x - Step 3: Cross multiply
4,232,868.42x = 5,841,389.99 × 2,299,128.49 - Step 4: Simplify right side
4,232,868.42x = 13,430,106,147,209.82 - Step 5: Solve for x
x = 13,430,106,147,209.82/4,232,868.42 - Step 6: Final answer
x = 3,172,814.46
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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.