Finding the Fourth Proportional to 1,969,621.09, 2,954,689.99 and 771,387.68
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Solution
The fourth proportional to 1,969,621.09, 2,954,689.99 and 771,387.68 is: 1,157,182.71
Step by Step Solution
- Step 1: Write the proportion equation
1,969,621.09 : 2,954,689.99 = 771,387.68 : x - Step 2: Convert to fraction form
1,969,621.09/2,954,689.99 = 771,387.68/x - Step 3: Cross multiply
1,969,621.09x = 2,954,689.99 × 771,387.68 - Step 4: Simplify right side
1,969,621.09x = 2,279,211,461,963.58 - Step 5: Solve for x
x = 2,279,211,461,963.58/1,969,621.09 - Step 6: Final answer
x = 1,157,182.71
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.