Finding the Fourth Proportional to 1,581,459.93, 2,182,415.63 and 856,307.97
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Solution
The fourth proportional to 1,581,459.93, 2,182,415.63 and 856,307.97 is: 1,181,705.50
Step by Step Solution
- Step 1: Write the proportion equation
1,581,459.93 : 2,182,415.63 = 856,307.97 : x - Step 2: Convert to fraction form
1,581,459.93/2,182,415.63 = 856,307.97/x - Step 3: Cross multiply
1,581,459.93x = 2,182,415.63 × 856,307.97 - Step 4: Simplify right side
1,581,459.93x = 1,868,819,893,540.03 - Step 5: Solve for x
x = 1,868,819,893,540.03/1,581,459.93 - Step 6: Final answer
x = 1,181,705.50
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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.