Finding the Fourth Proportional to 4,158,436.40, 6,239,987.40 and 1,761,873.20
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Solution
The fourth proportional to 4,158,436.40, 6,239,987.40 and 1,761,873.20 is: 2,643,798.18
Step by Step Solution
- Step 1: Write the proportion equation
4,158,436.40 : 6,239,987.40 = 1,761,873.20 : x - Step 2: Convert to fraction form
4,158,436.40/6,239,987.40 = 1,761,873.20/x - Step 3: Cross multiply
4,158,436.40x = 6,239,987.40 × 1,761,873.20 - Step 4: Simplify right side
4,158,436.40x = 10,994,066,568,397.68 - Step 5: Solve for x
x = 10,994,066,568,397.68/4,158,436.40 - Step 6: Final answer
x = 2,643,798.18
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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.