Finding the Fourth Proportional to 7,728,090.34, 11,593,472.28 and 2,610,557.49
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Solution
The fourth proportional to 7,728,090.34, 11,593,472.28 and 2,610,557.49 is: 3,916,287.80
Step by Step Solution
- Step 1: Write the proportion equation
7,728,090.34 : 11,593,472.28 = 2,610,557.49 : x - Step 2: Convert to fraction form
7,728,090.34/11,593,472.28 = 2,610,557.49/x - Step 3: Cross multiply
7,728,090.34x = 11,593,472.28 × 2,610,557.49 - Step 4: Simplify right side
7,728,090.34x = 30,265,425,895,661.38 - Step 5: Solve for x
x = 30,265,425,895,661.38/7,728,090.34 - Step 6: Final answer
x = 3,916,287.80
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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.