Finding the Fourth Proportional to 7,117,858.88, 9,822,630.66 and 3,854,672.63
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Solution
The fourth proportional to 7,117,858.88, 9,822,630.66 and 3,854,672.63 is: 5,319,440.32
Step by Step Solution
- Step 1: Write the proportion equation
7,117,858.88 : 9,822,630.66 = 3,854,672.63 : x - Step 2: Convert to fraction form
7,117,858.88/9,822,630.66 = 3,854,672.63/x - Step 3: Cross multiply
7,117,858.88x = 9,822,630.66 × 3,854,672.63 - Step 4: Simplify right side
7,117,858.88x = 37,863,025,510,587.68 - Step 5: Solve for x
x = 37,863,025,510,587.68/7,117,858.88 - Step 6: Final answer
x = 5,319,440.32
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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.