Finding the Fourth Proportional to 2,056,280.13, 2,837,755.26 and 1,138,509.27
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Solution
The fourth proportional to 2,056,280.13, 2,837,755.26 and 1,138,509.27 is: 1,571,191.89
Step by Step Solution
- Step 1: Write the proportion equation
2,056,280.13 : 2,837,755.26 = 1,138,509.27 : x - Step 2: Convert to fraction form
2,056,280.13/2,837,755.26 = 1,138,509.27/x - Step 3: Cross multiply
2,056,280.13x = 2,837,755.26 × 1,138,509.27 - Step 4: Simplify right side
2,056,280.13x = 3,230,810,669,501.26 - Step 5: Solve for x
x = 3,230,810,669,501.26/2,056,280.13 - Step 6: Final answer
x = 1,571,191.89
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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.