Finding the Fourth Proportional to 1,958,197.62, 2,935,275.75 and 821,619.80
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Solution
The fourth proportional to 1,958,197.62, 2,935,275.75 and 821,619.80 is: 1,231,581.86
Step by Step Solution
- Step 1: Write the proportion equation
1,958,197.62 : 2,935,275.75 = 821,619.80 : x - Step 2: Convert to fraction form
1,958,197.62/2,935,275.75 = 821,619.80/x - Step 3: Cross multiply
1,958,197.62x = 2,935,275.75 × 821,619.80 - Step 4: Simplify right side
1,958,197.62x = 2,411,680,659,983.47 - Step 5: Solve for x
x = 2,411,680,659,983.47/1,958,197.62 - Step 6: Final answer
x = 1,231,581.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.