Finding the Fourth Proportional to 3,834,281.80, 5,749,235.70 and 1,438,204.60
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Solution
The fourth proportional to 3,834,281.80, 5,749,235.70 and 1,438,204.60 is: 2,156,486.58
Step by Step Solution
- Step 1: Write the proportion equation
3,834,281.80 : 5,749,235.70 = 1,438,204.60 : x - Step 2: Convert to fraction form
3,834,281.80/5,749,235.70 = 1,438,204.60/x - Step 3: Cross multiply
3,834,281.80x = 5,749,235.70 × 1,438,204.60 - Step 4: Simplify right side
3,834,281.80x = 8,268,577,230,224.22 - Step 5: Solve for x
x = 8,268,577,230,224.22/3,834,281.80 - Step 6: Final answer
x = 2,156,486.58
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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.