Finding the Fourth Proportional to 4,971,998.34, 6,857,469.60 and 3,230,228.16
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Solution
The fourth proportional to 4,971,998.34, 6,857,469.60 and 3,230,228.16 is: 4,455,188.82
Step by Step Solution
- Step 1: Write the proportion equation
4,971,998.34 : 6,857,469.60 = 3,230,228.16 : x - Step 2: Convert to fraction form
4,971,998.34/6,857,469.60 = 3,230,228.16/x - Step 3: Cross multiply
4,971,998.34x = 6,857,469.60 × 3,230,228.16 - Step 4: Simplify right side
4,971,998.34x = 22,151,191,408,263.94 - Step 5: Solve for x
x = 22,151,191,408,263.94/4,971,998.34 - Step 6: Final answer
x = 4,455,188.82
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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.