Finding the Fourth Proportional to 1,788,204.51, 2,467,787.12 and 1,024,405.70
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Solution
The fourth proportional to 1,788,204.51, 2,467,787.12 and 1,024,405.70 is: 1,413,717.04
Step by Step Solution
- Step 1: Write the proportion equation
1,788,204.51 : 2,467,787.12 = 1,024,405.70 : x - Step 2: Convert to fraction form
1,788,204.51/2,467,787.12 = 1,024,405.70/x - Step 3: Cross multiply
1,788,204.51x = 2,467,787.12 × 1,024,405.70 - Step 4: Simplify right side
1,788,204.51x = 2,528,015,192,114.58 - Step 5: Solve for x
x = 2,528,015,192,114.58/1,788,204.51 - Step 6: Final answer
x = 1,413,717.04
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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.