Finding the Fourth Proportional to 6,920,834.09, 9,549,365.87 and 3,864,578.09
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Solution
The fourth proportional to 6,920,834.09, 9,549,365.87 and 3,864,578.09 is: 5,332,344.28
Step by Step Solution
- Step 1: Write the proportion equation
6,920,834.09 : 9,549,365.87 = 3,864,578.09 : x - Step 2: Convert to fraction form
6,920,834.09/9,549,365.87 = 3,864,578.09/x - Step 3: Cross multiply
6,920,834.09x = 9,549,365.87 × 3,864,578.09 - Step 4: Simplify right side
6,920,834.09x = 36,904,270,076,510.41 - Step 5: Solve for x
x = 36,904,270,076,510.41/6,920,834.09 - Step 6: Final answer
x = 5,332,344.28
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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.