Finding the Fourth Proportional to 2,174,230.84, 3,000,513.64 and 1,207,377.32
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Solution
The fourth proportional to 2,174,230.84, 3,000,513.64 and 1,207,377.32 is: 1,666,222.39
Step by Step Solution
- Step 1: Write the proportion equation
2,174,230.84 : 3,000,513.64 = 1,207,377.32 : x - Step 2: Convert to fraction form
2,174,230.84/3,000,513.64 = 1,207,377.32/x - Step 3: Cross multiply
2,174,230.84x = 3,000,513.64 × 1,207,377.32 - Step 4: Simplify right side
2,174,230.84x = 3,622,752,117,286.65 - Step 5: Solve for x
x = 3,622,752,117,286.65/2,174,230.84 - Step 6: Final answer
x = 1,666,222.39
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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.