Finding the Fourth Proportional to 5,918,441.38, 8,165,125.22 and 3,437,239.66
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Solution
The fourth proportional to 5,918,441.38, 8,165,125.22 and 3,437,239.66 is: 4,742,041.09
Step by Step Solution
- Step 1: Write the proportion equation
5,918,441.38 : 8,165,125.22 = 3,437,239.66 : x - Step 2: Convert to fraction form
5,918,441.38/8,165,125.22 = 3,437,239.66/x - Step 3: Cross multiply
5,918,441.38x = 8,165,125.22 × 3,437,239.66 - Step 4: Simplify right side
5,918,441.38x = 28,065,492,197,451.21 - Step 5: Solve for x
x = 28,065,492,197,451.21/5,918,441.38 - Step 6: Final answer
x = 4,742,041.09
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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.