Finding the Fourth Proportional to 2,180,800.80, 3,009,455.12 and 1,365,453.99
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Solution
The fourth proportional to 2,180,800.80, 3,009,455.12 and 1,365,453.99 is: 1,884,295.21
Step by Step Solution
- Step 1: Write the proportion equation
2,180,800.80 : 3,009,455.12 = 1,365,453.99 : x - Step 2: Convert to fraction form
2,180,800.80/3,009,455.12 = 1,365,453.99/x - Step 3: Cross multiply
2,180,800.80x = 3,009,455.12 × 1,365,453.99 - Step 4: Simplify right side
2,180,800.80x = 4,109,272,504,743.56 - Step 5: Solve for x
x = 4,109,272,504,743.56/2,180,800.80 - Step 6: Final answer
x = 1,884,295.21
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.