Finding the Fourth Proportional to 7,974,560.43, 11,961,262.26 and 3,115,953.63
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Solution
The fourth proportional to 7,974,560.43, 11,961,262.26 and 3,115,953.63 is: 4,673,704.45
Step by Step Solution
- Step 1: Write the proportion equation
7,974,560.43 : 11,961,262.26 = 3,115,953.63 : x - Step 2: Convert to fraction form
7,974,560.43/11,961,262.26 = 3,115,953.63/x - Step 3: Cross multiply
7,974,560.43x = 11,961,262.26 × 3,115,953.63 - Step 4: Simplify right side
7,974,560.43x = 37,270,738,558,429 - Step 5: Solve for x
x = 37,270,738,558,429/7,974,560.43 - Step 6: Final answer
x = 4,673,704.45
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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.