Finding the Fourth Proportional to 1,971,599.36, 2,720,805.97 and 1,066,181.36
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Solution
The fourth proportional to 1,971,599.36, 2,720,805.97 and 1,066,181.36 is: 1,471,329.66
Step by Step Solution
- Step 1: Write the proportion equation
1,971,599.36 : 2,720,805.97 = 1,066,181.36 : x - Step 2: Convert to fraction form
1,971,599.36/2,720,805.97 = 1,066,181.36/x - Step 3: Cross multiply
1,971,599.36x = 2,720,805.97 × 1,066,181.36 - Step 4: Simplify right side
1,971,599.36x = 2,900,872,602,588.70 - Step 5: Solve for x
x = 2,900,872,602,588.70/1,971,599.36 - Step 6: Final answer
x = 1,471,329.66
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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.