Finding the Fourth Proportional to 4,975,072.88, 6,865,520.04 and 2,799,614.72
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Solution
The fourth proportional to 4,975,072.88, 6,865,520.04 and 2,799,614.72 is: 3,863,422.99
Step by Step Solution
- Step 1: Write the proportion equation
4,975,072.88 : 6,865,520.04 = 2,799,614.72 : x - Step 2: Convert to fraction form
4,975,072.88/6,865,520.04 = 2,799,614.72/x - Step 3: Cross multiply
4,975,072.88x = 6,865,520.04 × 2,799,614.72 - Step 4: Simplify right side
4,975,072.88x = 19,220,810,964,438.99 - Step 5: Solve for x
x = 19,220,810,964,438.99/4,975,072.88 - Step 6: Final answer
x = 3,863,422.99
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1.5x scale
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.