Finding the Fourth Proportional to 1,691,192.53, 2,534,128.08 and 1,307,879.74
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Solution
The fourth proportional to 1,691,192.53, 2,534,128.08 and 1,307,879.74 is: 1,959,761.95
Step by Step Solution
- Step 1: Write the proportion equation
1,691,192.53 : 2,534,128.08 = 1,307,879.74 : x - Step 2: Convert to fraction form
1,691,192.53/2,534,128.08 = 1,307,879.74/x - Step 3: Cross multiply
1,691,192.53x = 2,534,128.08 × 1,307,879.74 - Step 4: Simplify right side
1,691,192.53x = 3,314,334,774,397.10 - Step 5: Solve for x
x = 3,314,334,774,397.10/1,691,192.53 - Step 6: Final answer
x = 1,959,761.95
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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.