Finding the Fourth Proportional to 2,211,920.74, 3,318,117.99 and 614,488.42
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Solution
The fourth proportional to 2,211,920.74, 3,318,117.99 and 614,488.42 is: 921,798.44
Step by Step Solution
- Step 1: Write the proportion equation
2,211,920.74 : 3,318,117.99 = 614,488.42 : x - Step 2: Convert to fraction form
2,211,920.74/3,318,117.99 = 614,488.42/x - Step 3: Cross multiply
2,211,920.74x = 3,318,117.99 × 614,488.42 - Step 4: Simplify right side
2,211,920.74x = 2,038,945,081,048.68 - Step 5: Solve for x
x = 2,038,945,081,048.68/2,211,920.74 - Step 6: Final answer
x = 921,798.44
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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.