Finding the Fourth Proportional to 4,212,197.64, 6,318,794.68 and 1,372,309.80
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Solution
The fourth proportional to 4,212,197.64, 6,318,794.68 and 1,372,309.80 is: 2,058,627.02
Step by Step Solution
- Step 1: Write the proportion equation
4,212,197.64 : 6,318,794.68 = 1,372,309.80 : x - Step 2: Convert to fraction form
4,212,197.64/6,318,794.68 = 1,372,309.80/x - Step 3: Cross multiply
4,212,197.64x = 6,318,794.68 × 1,372,309.80 - Step 4: Simplify right side
4,212,197.64x = 8,671,343,863,551.86 - Step 5: Solve for x
x = 8,671,343,863,551.86/4,212,197.64 - Step 6: Final answer
x = 2,058,627.02
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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.