Finding the Fourth Proportional to 3,917,703.52, 5,863,957.68 and 2,021,862.88
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Solution
The fourth proportional to 3,917,703.52, 5,863,957.68 and 2,021,862.88 is: 3,026,292.90
Step by Step Solution
- Step 1: Write the proportion equation
3,917,703.52 : 5,863,957.68 = 2,021,862.88 : x - Step 2: Convert to fraction form
3,917,703.52/5,863,957.68 = 2,021,862.88/x - Step 3: Cross multiply
3,917,703.52x = 5,863,957.68 × 2,021,862.88 - Step 4: Simplify right side
3,917,703.52x = 11,856,118,363,082.92 - Step 5: Solve for x
x = 11,856,118,363,082.92/3,917,703.52 - Step 6: Final answer
x = 3,026,292.90
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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.