Finding the Fourth Proportional to 1,618,914.18, 2,427,948.15 and 481,370.03
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Solution
The fourth proportional to 1,618,914.18, 2,427,948.15 and 481,370.03 is: 721,929.23
Step by Step Solution
- Step 1: Write the proportion equation
1,618,914.18 : 2,427,948.15 = 481,370.03 : x - Step 2: Convert to fraction form
1,618,914.18/2,427,948.15 = 481,370.03/x - Step 3: Cross multiply
1,618,914.18x = 2,427,948.15 × 481,370.03 - Step 4: Simplify right side
1,618,914.18x = 1,168,741,473,803.94 - Step 5: Solve for x
x = 1,168,741,473,803.94/1,618,914.18 - Step 6: Final answer
x = 721,929.23
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1.5x scale
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.