Finding the Fourth Proportional to 6,198,385.10, 9,279,206.85 and 4,607,998.70
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Solution
The fourth proportional to 6,198,385.10, 9,279,206.85 and 4,607,998.70 is: 6,898,340.84
Step by Step Solution
- Step 1: Write the proportion equation
6,198,385.10 : 9,279,206.85 = 4,607,998.70 : x - Step 2: Convert to fraction form
6,198,385.10/9,279,206.85 = 4,607,998.70/x - Step 3: Cross multiply
6,198,385.10x = 9,279,206.85 × 4,607,998.70 - Step 4: Simplify right side
6,198,385.10x = 42,758,573,101,831.09 - Step 5: Solve for x
x = 42,758,573,101,831.09/6,198,385.10 - Step 6: Final answer
x = 6,898,340.84
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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.