Finding the Fourth Proportional to 2,612,409.64, 3,605,655.68 and 1,509,887.88
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Solution
The fourth proportional to 2,612,409.64, 3,605,655.68 and 1,509,887.88 is: 2,083,951.82
Step by Step Solution
- Step 1: Write the proportion equation
2,612,409.64 : 3,605,655.68 = 1,509,887.88 : x - Step 2: Convert to fraction form
2,612,409.64/3,605,655.68 = 1,509,887.88/x - Step 3: Cross multiply
2,612,409.64x = 3,605,655.68 × 1,509,887.88 - Step 4: Simplify right side
2,612,409.64x = 5,444,135,810,685.16 - Step 5: Solve for x
x = 5,444,135,810,685.16/2,612,409.64 - Step 6: Final answer
x = 2,083,951.82
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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.