Finding the Fourth Proportional to 3,388,876.18, 4,675,480.08 and 2,165,897.58
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Solution
The fourth proportional to 3,388,876.18, 4,675,480.08 and 2,165,897.58 is: 2,988,191.50
Step by Step Solution
- Step 1: Write the proportion equation
3,388,876.18 : 4,675,480.08 = 2,165,897.58 : x - Step 2: Convert to fraction form
3,388,876.18/4,675,480.08 = 2,165,897.58/x - Step 3: Cross multiply
3,388,876.18x = 4,675,480.08 × 2,165,897.58 - Step 4: Simplify right side
3,388,876.18x = 10,126,610,990,610.21 - Step 5: Solve for x
x = 10,126,610,990,610.21/3,388,876.18 - Step 6: Final answer
x = 2,988,191.50
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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.