Finding the Fourth Proportional to 1,741,974.42, 2,403,862.74 and 978,060.18
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Solution
The fourth proportional to 1,741,974.42, 2,403,862.74 and 978,060.18 is: 1,349,688.26
Step by Step Solution
- Step 1: Write the proportion equation
1,741,974.42 : 2,403,862.74 = 978,060.18 : x - Step 2: Convert to fraction form
1,741,974.42/2,403,862.74 = 978,060.18/x - Step 3: Cross multiply
1,741,974.42x = 2,403,862.74 × 978,060.18 - Step 4: Simplify right side
1,741,974.42x = 2,351,122,424,179.69 - Step 5: Solve for x
x = 2,351,122,424,179.69/1,741,974.42 - Step 6: Final answer
x = 1,349,688.26
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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.