Finding the Fourth Proportional to 4,953,478.62, 6,829,472.16 and 3,208,063.90
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Solution
The fourth proportional to 4,953,478.62, 6,829,472.16 and 3,208,063.90 is: 4,423,029.71
Step by Step Solution
- Step 1: Write the proportion equation
4,953,478.62 : 6,829,472.16 = 3,208,063.90 : x - Step 2: Convert to fraction form
4,953,478.62/6,829,472.16 = 3,208,063.90/x - Step 3: Cross multiply
4,953,478.62x = 6,829,472.16 × 3,208,063.90 - Step 4: Simplify right side
4,953,478.62x = 21,909,383,092,551.02 - Step 5: Solve for x
x = 21,909,383,092,551.02/4,953,478.62 - Step 6: Final answer
x = 4,423,029.71
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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.