Finding the Fourth Proportional to 1,529,409.09, 2,110,536.23 and 841,078.81
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Solution
The fourth proportional to 1,529,409.09, 2,110,536.23 and 841,078.81 is: 1,160,662.18
Step by Step Solution
- Step 1: Write the proportion equation
1,529,409.09 : 2,110,536.23 = 841,078.81 : x - Step 2: Convert to fraction form
1,529,409.09/2,110,536.23 = 841,078.81/x - Step 3: Cross multiply
1,529,409.09x = 2,110,536.23 × 841,078.81 - Step 4: Simplify right side
1,529,409.09x = 1,775,127,299,223.06 - Step 5: Solve for x
x = 1,775,127,299,223.06/1,529,409.09 - Step 6: Final answer
x = 1,160,662.18
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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.