Finding the Fourth Proportional to 1,529,405.51, 2,110,633.79 and 841,130.57
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Solution
The fourth proportional to 1,529,405.51, 2,110,633.79 and 841,130.57 is: 1,160,789.99
Step by Step Solution
- Step 1: Write the proportion equation
1,529,405.51 : 2,110,633.79 = 841,130.57 : x - Step 2: Convert to fraction form
1,529,405.51/2,110,633.79 = 841,130.57/x - Step 3: Cross multiply
1,529,405.51x = 2,110,633.79 × 841,130.57 - Step 4: Simplify right side
1,529,405.51x = 1,775,318,603,914.89 - Step 5: Solve for x
x = 1,775,318,603,914.89/1,529,405.51 - Step 6: Final answer
x = 1,160,789.99
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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.