Finding the Fourth Proportional to 2,153,277.24, 3,230,388.84 and 636,841.92
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Solution
The fourth proportional to 2,153,277.24, 3,230,388.84 and 636,841.92 is: 955,402.77
Step by Step Solution
- Step 1: Write the proportion equation
2,153,277.24 : 3,230,388.84 = 636,841.92 : x - Step 2: Convert to fraction form
2,153,277.24/3,230,388.84 = 636,841.92/x - Step 3: Cross multiply
2,153,277.24x = 3,230,388.84 × 636,841.92 - Step 4: Simplify right side
2,153,277.24x = 2,057,247,031,212.17 - Step 5: Solve for x
x = 2,057,247,031,212.17/2,153,277.24 - Step 6: Final answer
x = 955,402.77
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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.