Finding the Fourth Proportional to 6,393,775.53, 8,823,405.42 and 3,640,320.66
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Solution
The fourth proportional to 6,393,775.53, 8,823,405.42 and 3,640,320.66 is: 5,023,639.77
Step by Step Solution
- Step 1: Write the proportion equation
6,393,775.53 : 8,823,405.42 = 3,640,320.66 : x - Step 2: Convert to fraction form
6,393,775.53/8,823,405.42 = 3,640,320.66/x - Step 3: Cross multiply
6,393,775.53x = 8,823,405.42 × 3,640,320.66 - Step 4: Simplify right side
6,393,775.53x = 32,120,025,041,981.98 - Step 5: Solve for x
x = 32,120,025,041,981.98/6,393,775.53 - Step 6: Final answer
x = 5,023,639.77
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1.5x scale
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.