Finding the Fourth Proportional to 1,868,634.68, 2,578,620.48 and 1,052,886.56
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Solution
The fourth proportional to 1,868,634.68, 2,578,620.48 and 1,052,886.56 is: 1,452,929.71
Step by Step Solution
- Step 1: Write the proportion equation
1,868,634.68 : 2,578,620.48 = 1,052,886.56 : x - Step 2: Convert to fraction form
1,868,634.68/2,578,620.48 = 1,052,886.56/x - Step 3: Cross multiply
1,868,634.68x = 2,578,620.48 × 1,052,886.56 - Step 4: Simplify right side
1,868,634.68x = 2,714,994,846,732.75 - Step 5: Solve for x
x = 2,714,994,846,732.75/1,868,634.68 - Step 6: Final answer
x = 1,452,929.71
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.