Finding the Fourth Proportional to 4,128,152.70, 6,192,229.05 and 2,238,584.70
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Solution
The fourth proportional to 4,128,152.70, 6,192,229.05 and 2,238,584.70 is: 3,357,877.05
Step by Step Solution
- Step 1: Write the proportion equation
4,128,152.70 : 6,192,229.05 = 2,238,584.70 : x - Step 2: Convert to fraction form
4,128,152.70/6,192,229.05 = 2,238,584.70/x - Step 3: Cross multiply
4,128,152.70x = 6,192,229.05 × 2,238,584.70 - Step 4: Simplify right side
4,128,152.70x = 13,861,829,210,225.54 - Step 5: Solve for x
x = 13,861,829,210,225.54/4,128,152.70 - Step 6: Final answer
x = 3,357,877.05
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1.5x scale
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.