Finding the Fourth Proportional to 2,946,817.70, 4,420,226.55 and 2,238,229.70
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Solution
The fourth proportional to 2,946,817.70, 4,420,226.55 and 2,238,229.70 is: 3,357,344.55
Step by Step Solution
- Step 1: Write the proportion equation
2,946,817.70 : 4,420,226.55 = 2,238,229.70 : x - Step 2: Convert to fraction form
2,946,817.70/4,420,226.55 = 2,238,229.70/x - Step 3: Cross multiply
2,946,817.70x = 4,420,226.55 × 2,238,229.70 - Step 4: Simplify right side
2,946,817.70x = 9,893,482,344,938.54 - Step 5: Solve for x
x = 9,893,482,344,938.54/2,946,817.70 - Step 6: Final answer
x = 3,357,344.55
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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.