Finding the Fourth Proportional to 6,624,986.40, 9,925,232.40 and 3,776,637.60
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Solution
The fourth proportional to 6,624,986.40, 9,925,232.40 and 3,776,637.60 is: 5,657,974.77
Step by Step Solution
- Step 1: Write the proportion equation
6,624,986.40 : 9,925,232.40 = 3,776,637.60 : x - Step 2: Convert to fraction form
6,624,986.40/9,925,232.40 = 3,776,637.60/x - Step 3: Cross multiply
6,624,986.40x = 9,925,232.40 × 3,776,637.60 - Step 4: Simplify right side
6,624,986.40x = 37,484,005,870,578.24 - Step 5: Solve for x
x = 37,484,005,870,578.24/6,624,986.40 - Step 6: Final answer
x = 5,657,974.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.