Finding the Fourth Proportional to 1,113,342.12, 1,535,397.66 and 941,620.14
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Solution
The fourth proportional to 1,113,342.12, 1,535,397.66 and 941,620.14 is: 1,298,577.80
Step by Step Solution
- Step 1: Write the proportion equation
1,113,342.12 : 1,535,397.66 = 941,620.14 : x - Step 2: Convert to fraction form
1,113,342.12/1,535,397.66 = 941,620.14/x - Step 3: Cross multiply
1,113,342.12x = 1,535,397.66 × 941,620.14 - Step 4: Simplify right side
1,113,342.12x = 1,445,761,359,564.87 - Step 5: Solve for x
x = 1,445,761,359,564.87/1,113,342.12 - Step 6: Final answer
x = 1,298,577.80
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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.