Finding the Fourth Proportional to 1,888,169.70, 2,832,257.26 and 1,441,427.08
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Solution
The fourth proportional to 1,888,169.70, 2,832,257.26 and 1,441,427.08 is: 2,162,142.69
Step by Step Solution
- Step 1: Write the proportion equation
1,888,169.70 : 2,832,257.26 = 1,441,427.08 : x - Step 2: Convert to fraction form
1,888,169.70/2,832,257.26 = 1,441,427.08/x - Step 3: Cross multiply
1,888,169.70x = 2,832,257.26 × 1,441,427.08 - Step 4: Simplify right side
1,888,169.70x = 4,082,492,312,090.60 - Step 5: Solve for x
x = 4,082,492,312,090.60/1,888,169.70 - Step 6: Final answer
x = 2,162,142.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.