Finding the Fourth Proportional to 6,749,170.40, 10,124,643.60 and 2,492,328.80
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Solution
The fourth proportional to 6,749,170.40, 10,124,643.60 and 2,492,328.80 is: 3,738,821.12
Step by Step Solution
- Step 1: Write the proportion equation
6,749,170.40 : 10,124,643.60 = 2,492,328.80 : x - Step 2: Convert to fraction form
6,749,170.40/10,124,643.60 = 2,492,328.80/x - Step 3: Cross multiply
6,749,170.40x = 10,124,643.60 × 2,492,328.80 - Step 4: Simplify right side
6,749,170.40x = 25,233,940,834,015.68 - Step 5: Solve for x
x = 25,233,940,834,015.68/6,749,170.40 - Step 6: Final answer
x = 3,738,821.12
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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.