Finding the Fourth Proportional to 1,617,073.20, 2,425,901.40 and 670,539.60
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Solution
The fourth proportional to 1,617,073.20, 2,425,901.40 and 670,539.60 is: 1,005,930.32
Step by Step Solution
- Step 1: Write the proportion equation
1,617,073.20 : 2,425,901.40 = 670,539.60 : x - Step 2: Convert to fraction form
1,617,073.20/2,425,901.40 = 670,539.60/x - Step 3: Cross multiply
1,617,073.20x = 2,425,901.40 × 670,539.60 - Step 4: Simplify right side
1,617,073.20x = 1,626,662,954,395.44 - Step 5: Solve for x
x = 1,626,662,954,395.44/1,617,073.20 - Step 6: Final answer
x = 1,005,930.32
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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.