Finding the Fourth Proportional to 1,529,154.18, 2,110,278.69 and 840,790.44
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Solution
The fourth proportional to 1,529,154.18, 2,110,278.69 and 840,790.44 is: 1,160,316.06
Step by Step Solution
- Step 1: Write the proportion equation
1,529,154.18 : 2,110,278.69 = 840,790.44 : x - Step 2: Convert to fraction form
1,529,154.18/2,110,278.69 = 840,790.44/x - Step 3: Cross multiply
1,529,154.18x = 2,110,278.69 × 840,790.44 - Step 4: Simplify right side
1,529,154.18x = 1,774,302,148,287.72 - Step 5: Solve for x
x = 1,774,302,148,287.72/1,529,154.18 - Step 6: Final answer
x = 1,160,316.06
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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.