Finding the Fourth Proportional to 1,490,549.58, 2,056,958.33 and 811,486.08
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Solution
The fourth proportional to 1,490,549.58, 2,056,958.33 and 811,486.08 is: 1,119,850.74
Step by Step Solution
- Step 1: Write the proportion equation
1,490,549.58 : 2,056,958.33 = 811,486.08 : x - Step 2: Convert to fraction form
1,490,549.58/2,056,958.33 = 811,486.08/x - Step 3: Cross multiply
1,490,549.58x = 2,056,958.33 × 811,486.08 - Step 4: Simplify right side
1,490,549.58x = 1,669,193,047,877.62 - Step 5: Solve for x
x = 1,669,193,047,877.62/1,490,549.58 - Step 6: Final answer
x = 1,119,850.74
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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.