Finding the Fourth Proportional to 6,101,479.14, 8,420,042.25 and 3,385,218.66
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Solution
The fourth proportional to 6,101,479.14, 8,420,042.25 and 3,385,218.66 is: 4,671,602.33
Step by Step Solution
- Step 1: Write the proportion equation
6,101,479.14 : 8,420,042.25 = 3,385,218.66 : x - Step 2: Convert to fraction form
6,101,479.14/8,420,042.25 = 3,385,218.66/x - Step 3: Cross multiply
6,101,479.14x = 8,420,042.25 × 3,385,218.66 - Step 4: Simplify right side
6,101,479.14x = 28,503,684,142,688.39 - Step 5: Solve for x
x = 28,503,684,142,688.39/6,101,479.14 - Step 6: Final answer
x = 4,671,602.33
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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.