Finding the Fourth Proportional to 1,457,244.92, 2,010,994.08 and 812,665.84
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Solution
The fourth proportional to 1,457,244.92, 2,010,994.08 and 812,665.84 is: 1,121,476.68
Step by Step Solution
- Step 1: Write the proportion equation
1,457,244.92 : 2,010,994.08 = 812,665.84 : x - Step 2: Convert to fraction form
1,457,244.92/2,010,994.08 = 812,665.84/x - Step 3: Cross multiply
1,457,244.92x = 2,010,994.08 × 812,665.84 - Step 4: Simplify right side
1,457,244.92x = 1,634,266,193,258.23 - Step 5: Solve for x
x = 1,634,266,193,258.23/1,457,244.92 - Step 6: Final answer
x = 1,121,476.68
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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.