Finding the Fourth Proportional to 3,388,875.18, 4,675,478.70 and 2,165,896.58
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Solution
The fourth proportional to 3,388,875.18, 4,675,478.70 and 2,165,896.58 is: 2,988,190.12
Step by Step Solution
- Step 1: Write the proportion equation
3,388,875.18 : 4,675,478.70 = 2,165,896.58 : x - Step 2: Convert to fraction form
3,388,875.18/4,675,478.70 = 2,165,896.58/x - Step 3: Cross multiply
3,388,875.18x = 4,675,478.70 × 2,165,896.58 - Step 4: Simplify right side
3,388,875.18x = 10,126,603,326,192.85 - Step 5: Solve for x
x = 10,126,603,326,192.85/3,388,875.18 - Step 6: Final answer
x = 2,988,190.12
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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.