Finding the Fourth Proportional to 1,529,212.80, 2,110,367.88 and 840,936.99
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Solution
The fourth proportional to 1,529,212.80, 2,110,367.88 and 840,936.99 is: 1,160,522.86
Step by Step Solution
- Step 1: Write the proportion equation
1,529,212.80 : 2,110,367.88 = 840,936.99 : x - Step 2: Convert to fraction form
1,529,212.80/2,110,367.88 = 840,936.99/x - Step 3: Cross multiply
1,529,212.80x = 2,110,367.88 × 840,936.99 - Step 4: Simplify right side
1,529,212.80x = 1,774,686,412,799.88 - Step 5: Solve for x
x = 1,774,686,412,799.88/1,529,212.80 - Step 6: Final answer
x = 1,160,522.86
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.