Finding the Fourth Proportional to 1,467,540.70, 2,201,311.05 and 402,690.40
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Solution
The fourth proportional to 1,467,540.70, 2,201,311.05 and 402,690.40 is: 604,035.60
Step by Step Solution
- Step 1: Write the proportion equation
1,467,540.70 : 2,201,311.05 = 402,690.40 : x - Step 2: Convert to fraction form
1,467,540.70/2,201,311.05 = 402,690.40/x - Step 3: Cross multiply
1,467,540.70x = 2,201,311.05 × 402,690.40 - Step 4: Simplify right side
1,467,540.70x = 886,446,827,248.92 - Step 5: Solve for x
x = 886,446,827,248.92/1,467,540.70 - Step 6: Final answer
x = 604,035.60
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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.