Finding the Fourth Proportional to 1,457,274.66, 2,010,352.68 and 947,791.14
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Solution
The fourth proportional to 1,457,274.66, 2,010,352.68 and 947,791.14 is: 1,307,505.38
Step by Step Solution
- Step 1: Write the proportion equation
1,457,274.66 : 2,010,352.68 = 947,791.14 : x - Step 2: Convert to fraction form
1,457,274.66/2,010,352.68 = 947,791.14/x - Step 3: Cross multiply
1,457,274.66x = 2,010,352.68 × 947,791.14 - Step 4: Simplify right side
1,457,274.66x = 1,905,394,458,379.26 - Step 5: Solve for x
x = 1,905,394,458,379.26/1,457,274.66 - Step 6: Final answer
x = 1,307,505.38
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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.