Finding the Fourth Proportional to 5,470,011.40, 8,212,404.30 and 3,197,864.20
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Solution
The fourth proportional to 5,470,011.40, 8,212,404.30 and 3,197,864.20 is: 4,801,114.99
Step by Step Solution
- Step 1: Write the proportion equation
5,470,011.40 : 8,212,404.30 = 3,197,864.20 : x - Step 2: Convert to fraction form
5,470,011.40/8,212,404.30 = 3,197,864.20/x - Step 3: Cross multiply
5,470,011.40x = 8,212,404.30 × 3,197,864.20 - Step 4: Simplify right side
5,470,011.40x = 26,262,153,706,896.06 - Step 5: Solve for x
x = 26,262,153,706,896.06/5,470,011.40 - Step 6: Final answer
x = 4,801,114.99
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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.