Finding the Fourth Proportional to 1,901,930.92, 2,624,933.80 and 1,177,012.12
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Solution
The fourth proportional to 1,901,930.92, 2,624,933.80 and 1,177,012.12 is: 1,624,443.28
Step by Step Solution
- Step 1: Write the proportion equation
1,901,930.92 : 2,624,933.80 = 1,177,012.12 : x - Step 2: Convert to fraction form
1,901,930.92/2,624,933.80 = 1,177,012.12/x - Step 3: Cross multiply
1,901,930.92x = 2,624,933.80 × 1,177,012.12 - Step 4: Simplify right side
1,901,930.92x = 3,089,578,896,797.66 - Step 5: Solve for x
x = 3,089,578,896,797.66/1,901,930.92 - Step 6: Final answer
x = 1,624,443.28
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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.