Finding the Fourth Proportional to 2,237,938.88, 3,088,355.65 and 1,219,343.63
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Solution
The fourth proportional to 2,237,938.88, 3,088,355.65 and 1,219,343.63 is: 1,682,694.20
Step by Step Solution
- Step 1: Write the proportion equation
2,237,938.88 : 3,088,355.65 = 1,219,343.63 : x - Step 2: Convert to fraction form
2,237,938.88/3,088,355.65 = 1,219,343.63/x - Step 3: Cross multiply
2,237,938.88x = 3,088,355.65 × 1,219,343.63 - Step 4: Simplify right side
2,237,938.88x = 3,765,766,770,511.87 - Step 5: Solve for x
x = 3,765,766,770,511.87/2,237,938.88 - Step 6: Final answer
x = 1,682,694.20
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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.