Finding the Fourth Proportional to 1,820,201.70, 2,730,302.55 and 490,505.70
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Solution
The fourth proportional to 1,820,201.70, 2,730,302.55 and 490,505.70 is: 735,758.55
Step by Step Solution
- Step 1: Write the proportion equation
1,820,201.70 : 2,730,302.55 = 490,505.70 : x - Step 2: Convert to fraction form
1,820,201.70/2,730,302.55 = 490,505.70/x - Step 3: Cross multiply
1,820,201.70x = 2,730,302.55 × 490,505.70 - Step 4: Simplify right side
1,820,201.70x = 1,339,228,963,499.53 - Step 5: Solve for x
x = 1,339,228,963,499.53/1,820,201.70 - Step 6: Final answer
x = 735,758.55
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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.