Finding the Fourth Proportional to 4,759,519.10, 7,142,115.38 and 1,727,121.51
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Solution
The fourth proportional to 4,759,519.10, 7,142,115.38 and 1,727,121.51 is: 2,591,711.65
Step by Step Solution
- Step 1: Write the proportion equation
4,759,519.10 : 7,142,115.38 = 1,727,121.51 : x - Step 2: Convert to fraction form
4,759,519.10/7,142,115.38 = 1,727,121.51/x - Step 3: Cross multiply
4,759,519.10x = 7,142,115.38 × 1,727,121.51 - Step 4: Simplify right side
4,759,519.10x = 12,335,301,091,064.22 - Step 5: Solve for x
x = 12,335,301,091,064.22/4,759,519.10 - Step 6: Final answer
x = 2,591,711.65
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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.