Finding the Fourth Proportional to 4,458,551.40, 6,689,900.70 and 2,331,037.80
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Solution
The fourth proportional to 4,458,551.40, 6,689,900.70 and 2,331,037.80 is: 3,497,640.83
Step by Step Solution
- Step 1: Write the proportion equation
4,458,551.40 : 6,689,900.70 = 2,331,037.80 : x - Step 2: Convert to fraction form
4,458,551.40/6,689,900.70 = 2,331,037.80/x - Step 3: Cross multiply
4,458,551.40x = 6,689,900.70 × 2,331,037.80 - Step 4: Simplify right side
4,458,551.40x = 15,594,411,409,946.46 - Step 5: Solve for x
x = 15,594,411,409,946.46/4,458,551.40 - Step 6: Final answer
x = 3,497,640.83
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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.