Finding the Fourth Proportional to 2,354,089.20, 3,531,133.80 and 2,212,371.60
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Solution
The fourth proportional to 2,354,089.20, 3,531,133.80 and 2,212,371.60 is: 3,318,557.40
Step by Step Solution
- Step 1: Write the proportion equation
2,354,089.20 : 3,531,133.80 = 2,212,371.60 : x - Step 2: Convert to fraction form
2,354,089.20/3,531,133.80 = 2,212,371.60/x - Step 3: Cross multiply
2,354,089.20x = 3,531,133.80 × 2,212,371.60 - Step 4: Simplify right side
2,354,089.20x = 7,812,180,134,920.08 - Step 5: Solve for x
x = 7,812,180,134,920.08/2,354,089.20 - Step 6: Final answer
x = 3,318,557.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.