Finding the Fourth Proportional to 2,128,426.65, 3,192,639.98 and 2,093,434.65
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Solution
The fourth proportional to 2,128,426.65, 3,192,639.98 and 2,093,434.65 is: 3,140,151.98
Step by Step Solution
- Step 1: Write the proportion equation
2,128,426.65 : 3,192,639.98 = 2,093,434.65 : x - Step 2: Convert to fraction form
2,128,426.65/3,192,639.98 = 2,093,434.65/x - Step 3: Cross multiply
2,128,426.65x = 3,192,639.98 × 2,093,434.65 - Step 4: Simplify right side
2,128,426.65x = 6,683,583,148,640.13 - Step 5: Solve for x
x = 6,683,583,148,640.13/2,128,426.65 - Step 6: Final answer
x = 3,140,151.98
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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.