Finding the Fourth Proportional to 1,791,314.66, 2,471,902.20 and 986,498.66
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Solution
The fourth proportional to 1,791,314.66, 2,471,902.20 and 986,498.66 is: 1,361,306.45
Step by Step Solution
- Step 1: Write the proportion equation
1,791,314.66 : 2,471,902.20 = 986,498.66 : x - Step 2: Convert to fraction form
1,791,314.66/2,471,902.20 = 986,498.66/x - Step 3: Cross multiply
1,791,314.66x = 2,471,902.20 × 986,498.66 - Step 4: Simplify right side
1,791,314.66x = 2,438,528,207,951.05 - Step 5: Solve for x
x = 2,438,528,207,951.05/1,791,314.66 - Step 6: Final answer
x = 1,361,306.45
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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.