Finding the Fourth Proportional to 1,925,107.56, 2,655,486.18 and 1,236,547.62
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Solution
The fourth proportional to 1,925,107.56, 2,655,486.18 and 1,236,547.62 is: 1,705,689.17
Step by Step Solution
- Step 1: Write the proportion equation
1,925,107.56 : 2,655,486.18 = 1,236,547.62 : x - Step 2: Convert to fraction form
1,925,107.56/2,655,486.18 = 1,236,547.62/x - Step 3: Cross multiply
1,925,107.56x = 2,655,486.18 × 1,236,547.62 - Step 4: Simplify right side
1,925,107.56x = 3,283,635,115,821.89 - Step 5: Solve for x
x = 3,283,635,115,821.89/1,925,107.56 - Step 6: Final answer
x = 1,705,689.17
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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.