Finding the Fourth Proportional to 1,617,063.20, 2,425,886.40 and 670,529.60
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Solution
The fourth proportional to 1,617,063.20, 2,425,886.40 and 670,529.60 is: 1,005,915.31
Step by Step Solution
- Step 1: Write the proportion equation
1,617,063.20 : 2,425,886.40 = 670,529.60 : x - Step 2: Convert to fraction form
1,617,063.20/2,425,886.40 = 670,529.60/x - Step 3: Cross multiply
1,617,063.20x = 2,425,886.40 × 670,529.60 - Step 4: Simplify right side
1,617,063.20x = 1,626,628,637,437.44 - Step 5: Solve for x
x = 1,626,628,637,437.44/1,617,063.20 - Step 6: Final answer
x = 1,005,915.31
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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.