Finding the Fourth Proportional to 2,748,059.19, 4,122,123.84 and 726,285.62
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Solution
The fourth proportional to 2,748,059.19, 4,122,123.84 and 726,285.62 is: 1,089,437.70
Step by Step Solution
- Step 1: Write the proportion equation
2,748,059.19 : 4,122,123.84 = 726,285.62 : x - Step 2: Convert to fraction form
2,748,059.19/4,122,123.84 = 726,285.62/x - Step 3: Cross multiply
2,748,059.19x = 4,122,123.84 × 726,285.62 - Step 4: Simplify right side
2,748,059.19x = 2,993,839,279,156.49 - Step 5: Solve for x
x = 2,993,839,279,156.49/2,748,059.19 - Step 6: Final answer
x = 1,089,437.70
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1.5x scale
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.