Finding the Fourth Proportional to 6,368,632.39, 8,788,480.67 and 3,467,959.63
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Solution
The fourth proportional to 6,368,632.39, 8,788,480.67 and 3,467,959.63 is: 4,785,657.94
Step by Step Solution
- Step 1: Write the proportion equation
6,368,632.39 : 8,788,480.67 = 3,467,959.63 : x - Step 2: Convert to fraction form
6,368,632.39/8,788,480.67 = 3,467,959.63/x - Step 3: Cross multiply
6,368,632.39x = 8,788,480.67 × 3,467,959.63 - Step 4: Simplify right side
6,368,632.39x = 30,478,096,155,255.55 - Step 5: Solve for x
x = 30,478,096,155,255.55/6,368,632.39 - Step 6: Final answer
x = 4,785,657.94
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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.