Finding the Fourth Proportional to 7,798,434.06, 11,693,148.42 and 2,405,636.58
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Solution
The fourth proportional to 7,798,434.06, 11,693,148.42 and 2,405,636.58 is: 3,607,065.90
Step by Step Solution
- Step 1: Write the proportion equation
7,798,434.06 : 11,693,148.42 = 2,405,636.58 : x - Step 2: Convert to fraction form
7,798,434.06/11,693,148.42 = 2,405,636.58/x - Step 3: Cross multiply
7,798,434.06x = 11,693,148.42 × 2,405,636.58 - Step 4: Simplify right side
7,798,434.06x = 28,129,465,574,521.20 - Step 5: Solve for x
x = 28,129,465,574,521.20/7,798,434.06 - Step 6: Final answer
x = 3,607,065.90
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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.