Finding the Fourth Proportional to 1,835,420.18, 2,532,882.56 and 1,019,601.68
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Solution
The fourth proportional to 1,835,420.18, 2,532,882.56 and 1,019,601.68 is: 1,407,051.82
Step by Step Solution
- Step 1: Write the proportion equation
1,835,420.18 : 2,532,882.56 = 1,019,601.68 : x - Step 2: Convert to fraction form
1,835,420.18/2,532,882.56 = 1,019,601.68/x - Step 3: Cross multiply
1,835,420.18x = 2,532,882.56 × 1,019,601.68 - Step 4: Simplify right side
1,835,420.18x = 2,582,531,295,656.28 - Step 5: Solve for x
x = 2,582,531,295,656.28/1,835,420.18 - Step 6: Final answer
x = 1,407,051.82
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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.