Finding the Fourth Proportional to 1,602,878.22, 2,211,971.90 and 877,770.28
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Solution
The fourth proportional to 1,602,878.22, 2,211,971.90 and 877,770.28 is: 1,211,322.96
Step by Step Solution
- Step 1: Write the proportion equation
1,602,878.22 : 2,211,971.90 = 877,770.28 : x - Step 2: Convert to fraction form
1,602,878.22/2,211,971.90 = 877,770.28/x - Step 3: Cross multiply
1,602,878.22x = 2,211,971.90 × 877,770.28 - Step 4: Simplify right side
1,602,878.22x = 1,941,603,194,015.13 - Step 5: Solve for x
x = 1,941,603,194,015.13/1,602,878.22 - Step 6: Final answer
x = 1,211,322.96
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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.