Finding the Fourth Proportional to 3,427,625.29, 4,727,971.95 and 2,205,518.74
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Solution
The fourth proportional to 3,427,625.29, 4,727,971.95 and 2,205,518.74 is: 3,042,231.82
Step by Step Solution
- Step 1: Write the proportion equation
3,427,625.29 : 4,727,971.95 = 2,205,518.74 : x - Step 2: Convert to fraction form
3,427,625.29/4,727,971.95 = 2,205,518.74/x - Step 3: Cross multiply
3,427,625.29x = 4,727,971.95 × 2,205,518.74 - Step 4: Simplify right side
3,427,625.29x = 10,427,630,737,919.34 - Step 5: Solve for x
x = 10,427,630,737,919.34/3,427,625.29 - Step 6: Final answer
x = 3,042,231.82
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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.