Finding the Fourth Proportional to 1,529,639.97, 2,110,858.68 and 841,309.12
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Solution
The fourth proportional to 1,529,639.97, 2,110,858.68 and 841,309.12 is: 1,160,982.12
Step by Step Solution
- Step 1: Write the proportion equation
1,529,639.97 : 2,110,858.68 = 841,309.12 : x - Step 2: Convert to fraction form
1,529,639.97/2,110,858.68 = 841,309.12/x - Step 3: Cross multiply
1,529,639.97x = 2,110,858.68 × 841,309.12 - Step 4: Simplify right side
1,529,639.97x = 1,775,884,658,515.16 - Step 5: Solve for x
x = 1,775,884,658,515.16/1,529,639.97 - Step 6: Final answer
x = 1,160,982.12
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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.