Finding the Fourth Proportional to 2,221,545.34, 3,065,747.30 and 1,202,950.09
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Solution
The fourth proportional to 2,221,545.34, 3,065,747.30 and 1,202,950.09 is: 1,660,079.10
Step by Step Solution
- Step 1: Write the proportion equation
2,221,545.34 : 3,065,747.30 = 1,202,950.09 : x - Step 2: Convert to fraction form
2,221,545.34/3,065,747.30 = 1,202,950.09/x - Step 3: Cross multiply
2,221,545.34x = 3,065,747.30 × 1,202,950.09 - Step 4: Simplify right side
2,221,545.34x = 3,687,940,990,452.26 - Step 5: Solve for x
x = 3,687,940,990,452.26/2,221,545.34 - Step 6: Final answer
x = 1,660,079.10
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1.5x scale
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.