Finding the Fourth Proportional to 7,892,561.07, 10,891,767.09 and 4,270,889.07
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Solution
The fourth proportional to 7,892,561.07, 10,891,767.09 and 4,270,889.07 is: 5,893,844.67
Step by Step Solution
- Step 1: Write the proportion equation
7,892,561.07 : 10,891,767.09 = 4,270,889.07 : x - Step 2: Convert to fraction form
7,892,561.07/10,891,767.09 = 4,270,889.07/x - Step 3: Cross multiply
7,892,561.07x = 10,891,767.09 × 4,270,889.07 - Step 4: Simplify right side
7,892,561.07x = 46,517,529,017,666.71 - Step 5: Solve for x
x = 46,517,529,017,666.71/7,892,561.07 - Step 6: Final answer
x = 5,893,844.67
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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.