Finding the Fourth Proportional to 1,517,677.24, 2,094,393.90 and 838,607.80
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Solution
The fourth proportional to 1,517,677.24, 2,094,393.90 and 838,607.80 is: 1,157,278.38
Step by Step Solution
- Step 1: Write the proportion equation
1,517,677.24 : 2,094,393.90 = 838,607.80 : x - Step 2: Convert to fraction form
1,517,677.24/2,094,393.90 = 838,607.80/x - Step 3: Cross multiply
1,517,677.24x = 2,094,393.90 × 838,607.80 - Step 4: Simplify right side
1,517,677.24x = 1,756,375,060,812.42 - Step 5: Solve for x
x = 1,756,375,060,812.42/1,517,677.24 - Step 6: Final answer
x = 1,157,278.38
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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.