Finding the Fourth Proportional to 1,398,185.20, 2,080,531.58 and 1,393,461.28
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Solution
The fourth proportional to 1,398,185.20, 2,080,531.58 and 1,393,461.28 is: 2,073,502.28
Step by Step Solution
- Step 1: Write the proportion equation
1,398,185.20 : 2,080,531.58 = 1,393,461.28 : x - Step 2: Convert to fraction form
1,398,185.20/2,080,531.58 = 1,393,461.28/x - Step 3: Cross multiply
1,398,185.20x = 2,080,531.58 × 1,393,461.28 - Step 4: Simplify right side
1,398,185.20x = 2,899,140,198,547.22 - Step 5: Solve for x
x = 2,899,140,198,547.22/1,398,185.20 - Step 6: Final answer
x = 2,073,502.28
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.