Finding the Fourth Proportional to 2,912,727.58, 4,021,288.14 and 2,589,545.02
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Solution
The fourth proportional to 2,912,727.58, 4,021,288.14 and 2,589,545.02 is: 3,575,104.91
Step by Step Solution
- Step 1: Write the proportion equation
2,912,727.58 : 4,021,288.14 = 2,589,545.02 : x - Step 2: Convert to fraction form
2,912,727.58/4,021,288.14 = 2,589,545.02/x - Step 3: Cross multiply
2,912,727.58x = 4,021,288.14 × 2,589,545.02 - Step 4: Simplify right side
2,912,727.58x = 10,413,306,676,922.06 - Step 5: Solve for x
x = 10,413,306,676,922.06/2,912,727.58 - Step 6: Final answer
x = 3,575,104.91
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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.