Finding the Fourth Proportional to 4,830,765.86, 7,245,982.70 and 1,236,563.94
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Solution
The fourth proportional to 4,830,765.86, 7,245,982.70 and 1,236,563.94 is: 1,854,803.39
Step by Step Solution
- Step 1: Write the proportion equation
4,830,765.86 : 7,245,982.70 = 1,236,563.94 : x - Step 2: Convert to fraction form
4,830,765.86/7,245,982.70 = 1,236,563.94/x - Step 3: Cross multiply
4,830,765.86x = 7,245,982.70 × 1,236,563.94 - Step 4: Simplify right side
4,830,765.86x = 8,960,120,916,683.84 - Step 5: Solve for x
x = 8,960,120,916,683.84/4,830,765.86 - Step 6: Final answer
x = 1,854,803.39
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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.