Finding the Fourth Proportional to 5,291,156.24, 7,302,045.48 and 2,999,361.68
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Solution
The fourth proportional to 5,291,156.24, 7,302,045.48 and 2,999,361.68 is: 4,139,260.76
Step by Step Solution
- Step 1: Write the proportion equation
5,291,156.24 : 7,302,045.48 = 2,999,361.68 : x - Step 2: Convert to fraction form
5,291,156.24/7,302,045.48 = 2,999,361.68/x - Step 3: Cross multiply
5,291,156.24x = 7,302,045.48 × 2,999,361.68 - Step 4: Simplify right side
5,291,156.24x = 21,901,475,398,329.21 - Step 5: Solve for x
x = 21,901,475,398,329.21/5,291,156.24 - Step 6: Final answer
x = 4,139,260.76
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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.