Finding the Fourth Proportional to 3,745,368.99, 5,168,054.98 and 2,274,512.60
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Solution
The fourth proportional to 3,745,368.99, 5,168,054.98 and 2,274,512.60 is: 3,138,490.82
Step by Step Solution
- Step 1: Write the proportion equation
3,745,368.99 : 5,168,054.98 = 2,274,512.60 : x - Step 2: Convert to fraction form
3,745,368.99/5,168,054.98 = 2,274,512.60/x - Step 3: Cross multiply
3,745,368.99x = 5,168,054.98 × 2,274,512.60 - Step 4: Simplify right side
3,745,368.99x = 11,754,806,185,266.03 - Step 5: Solve for x
x = 11,754,806,185,266.03/3,745,368.99 - Step 6: Final answer
x = 3,138,490.82
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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.