Finding the Fourth Proportional to 2,152,211.58, 2,948,542.70 and 2,071,496.70
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Solution
The fourth proportional to 2,152,211.58, 2,948,542.70 and 2,071,496.70 is: 2,837,962.83
Step by Step Solution
- Step 1: Write the proportion equation
2,152,211.58 : 2,948,542.70 = 2,071,496.70 : x - Step 2: Convert to fraction form
2,152,211.58/2,948,542.70 = 2,071,496.70/x - Step 3: Cross multiply
2,152,211.58x = 2,948,542.70 × 2,071,496.70 - Step 4: Simplify right side
2,152,211.58x = 6,107,896,472,859.09 - Step 5: Solve for x
x = 6,107,896,472,859.09/2,152,211.58 - Step 6: Final answer
x = 2,837,962.83
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.