Finding the Fourth Proportional to 1,714,763.81, 2,366,293.95 and 989,845.10
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Solution
The fourth proportional to 1,714,763.81, 2,366,293.95 and 989,845.10 is: 1,365,939.99
Step by Step Solution
- Step 1: Write the proportion equation
1,714,763.81 : 2,366,293.95 = 989,845.10 : x - Step 2: Convert to fraction form
1,714,763.81/2,366,293.95 = 989,845.10/x - Step 3: Cross multiply
1,714,763.81x = 2,366,293.95 × 989,845.10 - Step 4: Simplify right side
1,714,763.81x = 2,342,264,459,735.68 - Step 5: Solve for x
x = 2,342,264,459,735.68/1,714,763.81 - Step 6: Final answer
x = 1,365,939.99
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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.