Finding the Fourth Proportional to 2,998,545.19, 4,497,814.13 and 976,785.79
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Solution
The fourth proportional to 2,998,545.19, 4,497,814.13 and 976,785.79 is: 1,465,177.49
Step by Step Solution
- Step 1: Write the proportion equation
2,998,545.19 : 4,497,814.13 = 976,785.79 : x - Step 2: Convert to fraction form
2,998,545.19/4,497,814.13 = 976,785.79/x - Step 3: Cross multiply
2,998,545.19x = 4,497,814.13 × 976,785.79 - Step 4: Simplify right side
2,998,545.19x = 4,393,400,928,245.21 - Step 5: Solve for x
x = 4,393,400,928,245.21/2,998,545.19 - Step 6: Final answer
x = 1,465,177.49
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1.5x scale
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.