Finding the Fourth Proportional to 1,917,622.68, 2,875,686.36 and 718,891.56
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Solution
The fourth proportional to 1,917,622.68, 2,875,686.36 and 718,891.56 is: 1,078,057.05
Step by Step Solution
- Step 1: Write the proportion equation
1,917,622.68 : 2,875,686.36 = 718,891.56 : x - Step 2: Convert to fraction form
1,917,622.68/2,875,686.36 = 718,891.56/x - Step 3: Cross multiply
1,917,622.68x = 2,875,686.36 × 718,891.56 - Step 4: Simplify right side
1,917,622.68x = 2,067,306,653,411.12 - Step 5: Solve for x
x = 2,067,306,653,411.12/1,917,622.68 - Step 6: Final answer
x = 1,078,057.05
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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.