Finding the Fourth Proportional to 6,081,908.09, 8,348,325.85 and 5,378,160.65
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Solution
The fourth proportional to 6,081,908.09, 8,348,325.85 and 5,378,160.65 is: 7,382,327.54
Step by Step Solution
- Step 1: Write the proportion equation
6,081,908.09 : 8,348,325.85 = 5,378,160.65 : x - Step 2: Convert to fraction form
6,081,908.09/8,348,325.85 = 5,378,160.65/x - Step 3: Cross multiply
6,081,908.09x = 8,348,325.85 × 5,378,160.65 - Step 4: Simplify right side
6,081,908.09x = 44,898,637,544,828.88 - Step 5: Solve for x
x = 44,898,637,544,828.88/6,081,908.09 - Step 6: Final answer
x = 7,382,327.54
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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.