Finding the Fourth Proportional to 3,357,939.95, 5,036,862.99 and 1,915,545.11
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Solution
The fourth proportional to 3,357,939.95, 5,036,862.99 and 1,915,545.11 is: 2,873,290.89
Step by Step Solution
- Step 1: Write the proportion equation
3,357,939.95 : 5,036,862.99 = 1,915,545.11 : x - Step 2: Convert to fraction form
3,357,939.95/5,036,862.99 = 1,915,545.11/x - Step 3: Cross multiply
3,357,939.95x = 5,036,862.99 × 1,915,545.11 - Step 4: Simplify right side
3,357,939.95x = 9,648,338,252,233.46 - Step 5: Solve for x
x = 9,648,338,252,233.46/3,357,939.95 - Step 6: Final answer
x = 2,873,290.89
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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.