Finding the Fourth Proportional to 1,474,137.70, 2,211,206.55 and 476,865.70
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Solution
The fourth proportional to 1,474,137.70, 2,211,206.55 and 476,865.70 is: 715,298.55
Step by Step Solution
- Step 1: Write the proportion equation
1,474,137.70 : 2,211,206.55 = 476,865.70 : x - Step 2: Convert to fraction form
1,474,137.70/2,211,206.55 = 476,865.70/x - Step 3: Cross multiply
1,474,137.70x = 2,211,206.55 × 476,865.70 - Step 4: Simplify right side
1,474,137.70x = 1,054,448,559,310.34 - Step 5: Solve for x
x = 1,054,448,559,310.34/1,474,137.70 - Step 6: Final answer
x = 715,298.55
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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.