Finding the Fourth Proportional to 1,891,116, 2,609,740.08 and 1,212,052.50
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Solution
The fourth proportional to 1,891,116, 2,609,740.08 and 1,212,052.50 is: 1,672,632.45
Step by Step Solution
- Step 1: Write the proportion equation
1,891,116 : 2,609,740.08 = 1,212,052.50 : x - Step 2: Convert to fraction form
1,891,116/2,609,740.08 = 1,212,052.50/x - Step 3: Cross multiply
1,891,116x = 2,609,740.08 × 1,212,052.50 - Step 4: Simplify right side
1,891,116x = 3,163,141,988,314.20 - Step 5: Solve for x
x = 3,163,141,988,314.20/1,891,116 - Step 6: Final answer
x = 1,672,632.45
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.