Finding the Fourth Proportional to 1,714,838.96, 2,366,307.24 and 989,920.20
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Solution
The fourth proportional to 1,714,838.96, 2,366,307.24 and 989,920.20 is: 1,365,991.44
Step by Step Solution
- Step 1: Write the proportion equation
1,714,838.96 : 2,366,307.24 = 989,920.20 : x - Step 2: Convert to fraction form
1,714,838.96/2,366,307.24 = 989,920.20/x - Step 3: Cross multiply
1,714,838.96x = 2,366,307.24 × 989,920.20 - Step 4: Simplify right side
1,714,838.96x = 2,342,455,336,282.25 - Step 5: Solve for x
x = 2,342,455,336,282.25/1,714,838.96 - Step 6: Final answer
x = 1,365,991.44
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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.