Finding the Fourth Proportional to 5,216,197.08, 7,823,630.34 and 2,019,135.72
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Solution
The fourth proportional to 5,216,197.08, 7,823,630.34 and 2,019,135.72 is: 3,028,446.06
Step by Step Solution
- Step 1: Write the proportion equation
5,216,197.08 : 7,823,630.34 = 2,019,135.72 : x - Step 2: Convert to fraction form
5,216,197.08/7,823,630.34 = 2,019,135.72/x - Step 3: Cross multiply
5,216,197.08x = 7,823,630.34 × 2,019,135.72 - Step 4: Simplify right side
5,216,197.08x = 15,796,971,479,569.74 - Step 5: Solve for x
x = 15,796,971,479,569.74/5,216,197.08 - Step 6: Final answer
x = 3,028,446.06
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.