Finding the Fourth Proportional to 1,476,231.70, 2,214,347.55 and 411,438.10
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Solution
The fourth proportional to 1,476,231.70, 2,214,347.55 and 411,438.10 is: 617,157.15
Step by Step Solution
- Step 1: Write the proportion equation
1,476,231.70 : 2,214,347.55 = 411,438.10 : x - Step 2: Convert to fraction form
1,476,231.70/2,214,347.55 = 411,438.10/x - Step 3: Cross multiply
1,476,231.70x = 2,214,347.55 × 411,438.10 - Step 4: Simplify right side
1,476,231.70x = 911,066,948,711.66 - Step 5: Solve for x
x = 911,066,948,711.66/1,476,231.70 - Step 6: Final answer
x = 617,157.15
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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.