Finding the Fourth Proportional to 1,618,478.62, 2,233,167.06 and 930,017.44
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Solution
The fourth proportional to 1,618,478.62, 2,233,167.06 and 930,017.44 is: 1,283,232.47
Step by Step Solution
- Step 1: Write the proportion equation
1,618,478.62 : 2,233,167.06 = 930,017.44 : x - Step 2: Convert to fraction form
1,618,478.62/2,233,167.06 = 930,017.44/x - Step 3: Cross multiply
1,618,478.62x = 2,233,167.06 × 930,017.44 - Step 4: Simplify right side
1,618,478.62x = 2,076,884,312,233.53 - Step 5: Solve for x
x = 2,076,884,312,233.53/1,618,478.62 - Step 6: Final answer
x = 1,283,232.47
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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.