Finding the Fourth Proportional to 1,905,688.56, 2,629,872.12 and 1,046,230.38
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Solution
The fourth proportional to 1,905,688.56, 2,629,872.12 and 1,046,230.38 is: 1,443,809.95
Step by Step Solution
- Step 1: Write the proportion equation
1,905,688.56 : 2,629,872.12 = 1,046,230.38 : x - Step 2: Convert to fraction form
1,905,688.56/2,629,872.12 = 1,046,230.38/x - Step 3: Cross multiply
1,905,688.56x = 2,629,872.12 × 1,046,230.38 - Step 4: Simplify right side
1,905,688.56x = 2,751,452,107,459.01 - Step 5: Solve for x
x = 2,751,452,107,459.01/1,905,688.56 - Step 6: Final answer
x = 1,443,809.95
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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.