Finding the Fourth Proportional to 3,056,471.81, 4,218,026.04 and 1,679,790.54
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Solution
The fourth proportional to 3,056,471.81, 4,218,026.04 and 1,679,790.54 is: 2,318,163.12
Step by Step Solution
- Step 1: Write the proportion equation
3,056,471.81 : 4,218,026.04 = 1,679,790.54 : x - Step 2: Convert to fraction form
3,056,471.81/4,218,026.04 = 1,679,790.54/x - Step 3: Cross multiply
3,056,471.81x = 4,218,026.04 × 1,679,790.54 - Step 4: Simplify right side
3,056,471.81x = 7,085,400,239,465.66 - Step 5: Solve for x
x = 7,085,400,239,465.66/3,056,471.81 - Step 6: Final answer
x = 2,318,163.12
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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.