Finding the Fourth Proportional to 6,368,264.70, 8,788,310.08 and 3,467,712.20
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Solution
The fourth proportional to 6,368,264.70, 8,788,310.08 and 3,467,712.20 is: 4,785,499.90
Step by Step Solution
- Step 1: Write the proportion equation
6,368,264.70 : 8,788,310.08 = 3,467,712.20 : x - Step 2: Convert to fraction form
6,368,264.70/8,788,310.08 = 3,467,712.20/x - Step 3: Cross multiply
6,368,264.70x = 8,788,310.08 × 3,467,712.20 - Step 4: Simplify right side
6,368,264.70x = 30,475,330,081,798.98 - Step 5: Solve for x
x = 30,475,330,081,798.98/6,368,264.70 - Step 6: Final answer
x = 4,785,499.90
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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.