Finding the Fourth Proportional to 1,824,095.90, 2,517,207.99 and 1,008,278.53
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Solution
The fourth proportional to 1,824,095.90, 2,517,207.99 and 1,008,278.53 is: 1,391,399.86
Step by Step Solution
- Step 1: Write the proportion equation
1,824,095.90 : 2,517,207.99 = 1,008,278.53 : x - Step 2: Convert to fraction form
1,824,095.90/2,517,207.99 = 1,008,278.53/x - Step 3: Cross multiply
1,824,095.90x = 2,517,207.99 × 1,008,278.53 - Step 4: Simplify right side
1,824,095.90x = 2,538,046,781,618.25 - Step 5: Solve for x
x = 2,538,046,781,618.25/1,824,095.90 - Step 6: Final answer
x = 1,391,399.86
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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.