Finding the Fourth Proportional to 1,529,353.71, 2,110,473.36 and 831,619.26
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Solution
The fourth proportional to 1,529,353.71, 2,110,473.36 and 831,619.26 is: 1,147,615.68
Step by Step Solution
- Step 1: Write the proportion equation
1,529,353.71 : 2,110,473.36 = 831,619.26 : x - Step 2: Convert to fraction form
1,529,353.71/2,110,473.36 = 831,619.26/x - Step 3: Cross multiply
1,529,353.71x = 2,110,473.36 × 831,619.26 - Step 4: Simplify right side
1,529,353.71x = 1,755,110,293,892.91 - Step 5: Solve for x
x = 1,755,110,293,892.91/1,529,353.71 - Step 6: Final answer
x = 1,147,615.68
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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.