Finding the Fourth Proportional to 2,262,699.08, 3,122,521.62 and 1,296,142.28
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Solution
The fourth proportional to 2,262,699.08, 3,122,521.62 and 1,296,142.28 is: 1,788,674.56
Step by Step Solution
- Step 1: Write the proportion equation
2,262,699.08 : 3,122,521.62 = 1,296,142.28 : x - Step 2: Convert to fraction form
2,262,699.08/3,122,521.62 = 1,296,142.28/x - Step 3: Cross multiply
2,262,699.08x = 3,122,521.62 × 1,296,142.28 - Step 4: Simplify right side
2,262,699.08x = 4,047,232,291,896.09 - Step 5: Solve for x
x = 4,047,232,291,896.09/2,262,699.08 - Step 6: Final answer
x = 1,788,674.56
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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.