Finding the Fourth Proportional to 1,720,538.10, 2,582,775.45 and 1,010,965.95
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Solution
The fourth proportional to 1,720,538.10, 2,582,775.45 and 1,010,965.95 is: 1,517,605.47
Step by Step Solution
- Step 1: Write the proportion equation
1,720,538.10 : 2,582,775.45 = 1,010,965.95 : x - Step 2: Convert to fraction form
1,720,538.10/2,582,775.45 = 1,010,965.95/x - Step 3: Cross multiply
1,720,538.10x = 2,582,775.45 × 1,010,965.95 - Step 4: Simplify right side
1,720,538.10x = 2,611,098,036,445.93 - Step 5: Solve for x
x = 2,611,098,036,445.93/1,720,538.10 - Step 6: Final answer
x = 1,517,605.47
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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.