Finding the Fourth Proportional to 3,381,887.68, 4,664,887.30 and 2,220,393.84
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Solution
The fourth proportional to 3,381,887.68, 4,664,887.30 and 2,220,393.84 is: 3,062,753.11
Step by Step Solution
- Step 1: Write the proportion equation
3,381,887.68 : 4,664,887.30 = 2,220,393.84 : x - Step 2: Convert to fraction form
3,381,887.68/4,664,887.30 = 2,220,393.84/x - Step 3: Cross multiply
3,381,887.68x = 4,664,887.30 × 2,220,393.84 - Step 4: Simplify right side
3,381,887.68x = 10,357,887,025,214.23 - Step 5: Solve for x
x = 10,357,887,025,214.23/3,381,887.68 - Step 6: Final answer
x = 3,062,753.11
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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.