Finding the Fourth Proportional to 5,207,478.24, 7,812,464.28 and 2,173,156.20
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Solution
The fourth proportional to 5,207,478.24, 7,812,464.28 and 2,173,156.20 is: 3,260,254.66
Step by Step Solution
- Step 1: Write the proportion equation
5,207,478.24 : 7,812,464.28 = 2,173,156.20 : x - Step 2: Convert to fraction form
5,207,478.24/7,812,464.28 = 2,173,156.20/x - Step 3: Cross multiply
5,207,478.24x = 7,812,464.28 × 2,173,156.20 - Step 4: Simplify right side
5,207,478.24x = 16,977,705,187,360.54 - Step 5: Solve for x
x = 16,977,705,187,360.54/5,207,478.24 - Step 6: Final answer
x = 3,260,254.66
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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.