Finding the Fourth Proportional to 6,437,143.66, 8,883,414.84 and 3,536,722.40
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Solution
The fourth proportional to 6,437,143.66, 8,883,414.84 and 3,536,722.40 is: 4,880,762.95
Step by Step Solution
- Step 1: Write the proportion equation
6,437,143.66 : 8,883,414.84 = 3,536,722.40 : x - Step 2: Convert to fraction form
6,437,143.66/8,883,414.84 = 3,536,722.40/x - Step 3: Cross multiply
6,437,143.66x = 8,883,414.84 × 3,536,722.40 - Step 4: Simplify right side
6,437,143.66x = 31,418,172,253,120.41 - Step 5: Solve for x
x = 31,418,172,253,120.41/6,437,143.66 - Step 6: Final answer
x = 4,880,762.95
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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.