Finding the Fourth Proportional to 1,969,174.80, 2,953,762.20 and 473,266.80
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Solution
The fourth proportional to 1,969,174.80, 2,953,762.20 and 473,266.80 is: 709,900.20
Step by Step Solution
- Step 1: Write the proportion equation
1,969,174.80 : 2,953,762.20 = 473,266.80 : x - Step 2: Convert to fraction form
1,969,174.80/2,953,762.20 = 473,266.80/x - Step 3: Cross multiply
1,969,174.80x = 2,953,762.20 × 473,266.80 - Step 4: Simplify right side
1,969,174.80x = 1,397,917,584,354.96 - Step 5: Solve for x
x = 1,397,917,584,354.96/1,969,174.80 - Step 6: Final answer
x = 709,900.20
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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.