Finding the Fourth Proportional to 5,363,257.92, 7,401,324.84 and 3,158,216.40
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Solution
The fourth proportional to 5,363,257.92, 7,401,324.84 and 3,158,216.40 is: 4,358,355.66
Step by Step Solution
- Step 1: Write the proportion equation
5,363,257.92 : 7,401,324.84 = 3,158,216.40 : x - Step 2: Convert to fraction form
5,363,257.92/7,401,324.84 = 3,158,216.40/x - Step 3: Cross multiply
5,363,257.92x = 7,401,324.84 × 3,158,216.40 - Step 4: Simplify right side
5,363,257.92x = 23,374,985,491,415.38 - Step 5: Solve for x
x = 23,374,985,491,415.38/5,363,257.92 - Step 6: Final answer
x = 4,358,355.66
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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.