Finding the Fourth Proportional to 1,591,885.28, 2,196,781.08 and 866,724.68
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Solution
The fourth proportional to 1,591,885.28, 2,196,781.08 and 866,724.68 is: 1,196,068.84
Step by Step Solution
- Step 1: Write the proportion equation
1,591,885.28 : 2,196,781.08 = 866,724.68 : x - Step 2: Convert to fraction form
1,591,885.28/2,196,781.08 = 866,724.68/x - Step 3: Cross multiply
1,591,885.28x = 2,196,781.08 × 866,724.68 - Step 4: Simplify right side
1,591,885.28x = 1,904,004,378,593.05 - Step 5: Solve for x
x = 1,904,004,378,593.05/1,591,885.28 - Step 6: Final answer
x = 1,196,068.84
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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.