Finding the Fourth Proportional to 3,820,272.81, 5,731,117.97 and 1,261,665.06
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Solution
The fourth proportional to 3,820,272.81, 5,731,117.97 and 1,261,665.06 is: 1,892,731.66
Step by Step Solution
- Step 1: Write the proportion equation
3,820,272.81 : 5,731,117.97 = 1,261,665.06 : x - Step 2: Convert to fraction form
3,820,272.81/5,731,117.97 = 1,261,665.06/x - Step 3: Cross multiply
3,820,272.81x = 5,731,117.97 × 1,261,665.06 - Step 4: Simplify right side
3,820,272.81x = 7,230,751,291,178.80 - Step 5: Solve for x
x = 7,230,751,291,178.80/3,820,272.81 - Step 6: Final answer
x = 1,892,731.66
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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.