Finding the Fourth Proportional to 2,146,476.66, 2,962,251.30 and 1,216,364.94
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Solution
The fourth proportional to 2,146,476.66, 2,962,251.30 and 1,216,364.94 is: 1,678,647.94
Step by Step Solution
- Step 1: Write the proportion equation
2,146,476.66 : 2,962,251.30 = 1,216,364.94 : x - Step 2: Convert to fraction form
2,146,476.66/2,962,251.30 = 1,216,364.94/x - Step 3: Cross multiply
2,146,476.66x = 2,962,251.30 × 1,216,364.94 - Step 4: Simplify right side
2,146,476.66x = 3,603,178,618,707.60 - Step 5: Solve for x
x = 3,603,178,618,707.60/2,146,476.66 - Step 6: Final answer
x = 1,678,647.94
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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.