Finding the Fourth Proportional to 5,554,081.68, 7,665,341.73 and 3,106,828.68
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Solution
The fourth proportional to 5,554,081.68, 7,665,341.73 and 3,106,828.68 is: 4,287,820.18
Step by Step Solution
- Step 1: Write the proportion equation
5,554,081.68 : 7,665,341.73 = 3,106,828.68 : x - Step 2: Convert to fraction form
5,554,081.68/7,665,341.73 = 3,106,828.68/x - Step 3: Cross multiply
5,554,081.68x = 7,665,341.73 × 3,106,828.68 - Step 4: Simplify right side
5,554,081.68x = 23,814,903,528,764.82 - Step 5: Solve for x
x = 23,814,903,528,764.82/5,554,081.68 - Step 6: Final answer
x = 4,287,820.18
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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.