Finding the Fourth Proportional to 4,214,493.16, 6,321,756.14 and 1,019,614.21
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Solution
The fourth proportional to 4,214,493.16, 6,321,756.14 and 1,019,614.21 is: 1,529,425.28
Step by Step Solution
- Step 1: Write the proportion equation
4,214,493.16 : 6,321,756.14 = 1,019,614.21 : x - Step 2: Convert to fraction form
4,214,493.16/6,321,756.14 = 1,019,614.21/x - Step 3: Cross multiply
4,214,493.16x = 6,321,756.14 × 1,019,614.21 - Step 4: Simplify right side
4,214,493.16x = 6,445,752,392,498.75 - Step 5: Solve for x
x = 6,445,752,392,498.75/4,214,493.16 - Step 6: Final answer
x = 1,529,425.28
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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.