Finding the Fourth Proportional to 1,743,577.14, 2,407,209.93 and 1,382,459.70
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Solution
The fourth proportional to 1,743,577.14, 2,407,209.93 and 1,382,459.70 is: 1,908,645.53
Step by Step Solution
- Step 1: Write the proportion equation
1,743,577.14 : 2,407,209.93 = 1,382,459.70 : x - Step 2: Convert to fraction form
1,743,577.14/2,407,209.93 = 1,382,459.70/x - Step 3: Cross multiply
1,743,577.14x = 2,407,209.93 × 1,382,459.70 - Step 4: Simplify right side
1,743,577.14x = 3,327,870,717,664.82 - Step 5: Solve for x
x = 3,327,870,717,664.82/1,743,577.14 - Step 6: Final answer
x = 1,908,645.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.