Finding the Fourth Proportional to 2,140,221.09, 2,953,504.41 and 1,173,330.63
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Solution
The fourth proportional to 2,140,221.09, 2,953,504.41 and 1,173,330.63 is: 1,619,195.89
Step by Step Solution
- Step 1: Write the proportion equation
2,140,221.09 : 2,953,504.41 = 1,173,330.63 : x - Step 2: Convert to fraction form
2,140,221.09/2,953,504.41 = 1,173,330.63/x - Step 3: Cross multiply
2,140,221.09x = 2,953,504.41 × 1,173,330.63 - Step 4: Simplify right side
2,140,221.09x = 3,465,437,190,093.08 - Step 5: Solve for x
x = 3,465,437,190,093.08/2,140,221.09 - Step 6: Final answer
x = 1,619,195.89
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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.