Finding the Fourth Proportional to 2,259,787.43, 3,118,547.67 and 1,227,295.01
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Solution
The fourth proportional to 2,259,787.43, 3,118,547.67 and 1,227,295.01 is: 1,693,689.39
Step by Step Solution
- Step 1: Write the proportion equation
2,259,787.43 : 3,118,547.67 = 1,227,295.01 : x - Step 2: Convert to fraction form
2,259,787.43/3,118,547.67 = 1,227,295.01/x - Step 3: Cross multiply
2,259,787.43x = 3,118,547.67 × 1,227,295.01 - Step 4: Simplify right side
2,259,787.43x = 3,827,377,993,838.13 - Step 5: Solve for x
x = 3,827,377,993,838.13/2,259,787.43 - Step 6: Final answer
x = 1,693,689.39
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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.