Finding the Fourth Proportional to 2,038,137.18, 2,812,664.26 and 1,120,404.98
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Solution
The fourth proportional to 2,038,137.18, 2,812,664.26 and 1,120,404.98 is: 1,546,178.09
Step by Step Solution
- Step 1: Write the proportion equation
2,038,137.18 : 2,812,664.26 = 1,120,404.98 : x - Step 2: Convert to fraction form
2,038,137.18/2,812,664.26 = 1,120,404.98/x - Step 3: Cross multiply
2,038,137.18x = 2,812,664.26 × 1,120,404.98 - Step 4: Simplify right side
2,038,137.18x = 3,151,323,043,972.01 - Step 5: Solve for x
x = 3,151,323,043,972.01/2,038,137.18 - Step 6: Final answer
x = 1,546,178.09
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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.