Finding the Fourth Proportional to 4,989,309.37, 6,884,834.56 and 2,814,387.08
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Solution
The fourth proportional to 4,989,309.37, 6,884,834.56 and 2,814,387.08 is: 3,883,621.56
Step by Step Solution
- Step 1: Write the proportion equation
4,989,309.37 : 6,884,834.56 = 2,814,387.08 : x - Step 2: Convert to fraction form
4,989,309.37/6,884,834.56 = 2,814,387.08/x - Step 3: Cross multiply
4,989,309.37x = 6,884,834.56 × 2,814,387.08 - Step 4: Simplify right side
4,989,309.37x = 19,376,589,440,550.00 - Step 5: Solve for x
x = 19,376,589,440,550.00/4,989,309.37 - Step 6: Final answer
x = 3,883,621.56
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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.