Finding the Fourth Proportional to 3,567,420.70, 5,347,194.45 and 1,971,129.40
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Solution
The fourth proportional to 3,567,420.70, 5,347,194.45 and 1,971,129.40 is: 2,954,518.99
Step by Step Solution
- Step 1: Write the proportion equation
3,567,420.70 : 5,347,194.45 = 1,971,129.40 : x - Step 2: Convert to fraction form
3,567,420.70/5,347,194.45 = 1,971,129.40/x - Step 3: Cross multiply
3,567,420.70x = 5,347,194.45 × 1,971,129.40 - Step 4: Simplify right side
3,567,420.70x = 10,540,012,187,911.83 - Step 5: Solve for x
x = 10,540,012,187,911.83/3,567,420.70 - Step 6: Final answer
x = 2,954,518.99
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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.