Finding the Fourth Proportional to 5,624,799.97, 7,762,187.79 and 3,178,203.07
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Solution
The fourth proportional to 5,624,799.97, 7,762,187.79 and 3,178,203.07 is: 4,385,899.80
Step by Step Solution
- Step 1: Write the proportion equation
5,624,799.97 : 7,762,187.79 = 3,178,203.07 : x - Step 2: Convert to fraction form
5,624,799.97/7,762,187.79 = 3,178,203.07/x - Step 3: Cross multiply
5,624,799.97x = 7,762,187.79 × 3,178,203.07 - Step 4: Simplify right side
5,624,799.97x = 24,669,809,035,434.73 - Step 5: Solve for x
x = 24,669,809,035,434.73/5,624,799.97 - Step 6: Final answer
x = 4,385,899.80
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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.