Finding the Fourth Proportional to 3,896,230.92, 5,376,332.84 and 2,153,664.96
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Solution
The fourth proportional to 3,896,230.92, 5,376,332.84 and 2,153,664.96 is: 2,971,800.15
Step by Step Solution
- Step 1: Write the proportion equation
3,896,230.92 : 5,376,332.84 = 2,153,664.96 : x - Step 2: Convert to fraction form
3,896,230.92/5,376,332.84 = 2,153,664.96/x - Step 3: Cross multiply
3,896,230.92x = 5,376,332.84 × 2,153,664.96 - Step 4: Simplify right side
3,896,230.92x = 11,578,819,650,805.29 - Step 5: Solve for x
x = 11,578,819,650,805.29/3,896,230.92 - Step 6: Final answer
x = 2,971,800.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.