Finding the Fourth Proportional to 6,494,845.77, 8,963,033.40 and 4,206,988.62
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Solution
The fourth proportional to 6,494,845.77, 8,963,033.40 and 4,206,988.62 is: 5,805,739.02
Step by Step Solution
- Step 1: Write the proportion equation
6,494,845.77 : 8,963,033.40 = 4,206,988.62 : x - Step 2: Convert to fraction form
6,494,845.77/8,963,033.40 = 4,206,988.62/x - Step 3: Cross multiply
6,494,845.77x = 8,963,033.40 × 4,206,988.62 - Step 4: Simplify right side
6,494,845.77x = 37,707,379,514,479.91 - Step 5: Solve for x
x = 37,707,379,514,479.91/6,494,845.77 - Step 6: Final answer
x = 5,805,739.02
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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.