Finding the Fourth Proportional to 5,331,877.97, 8,001,064.71 and 1,919,879.19
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Solution
The fourth proportional to 5,331,877.97, 8,001,064.71 and 1,919,879.19 is: 2,880,988.23
Step by Step Solution
- Step 1: Write the proportion equation
5,331,877.97 : 8,001,064.71 = 1,919,879.19 : x - Step 2: Convert to fraction form
5,331,877.97/8,001,064.71 = 1,919,879.19/x - Step 3: Cross multiply
5,331,877.97x = 8,001,064.71 × 1,919,879.19 - Step 4: Simplify right side
5,331,877.97x = 15,361,077,634,572.38 - Step 5: Solve for x
x = 15,361,077,634,572.38/5,331,877.97 - Step 6: Final answer
x = 2,880,988.23
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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.