Finding the Fourth Proportional to 4,211,127.15, 5,811,372.95 and 2,277,387.75
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Solution
The fourth proportional to 4,211,127.15, 5,811,372.95 and 2,277,387.75 is: 3,142,804.55
Step by Step Solution
- Step 1: Write the proportion equation
4,211,127.15 : 5,811,372.95 = 2,277,387.75 : x - Step 2: Convert to fraction form
4,211,127.15/5,811,372.95 = 2,277,387.75/x - Step 3: Cross multiply
4,211,127.15x = 5,811,372.95 × 2,277,387.75 - Step 4: Simplify right side
4,211,127.15x = 13,234,749,544,728.10 - Step 5: Solve for x
x = 13,234,749,544,728.10/4,211,127.15 - Step 6: Final answer
x = 3,142,804.55
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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.