Finding the Fourth Proportional to 3,682,465.94, 5,081,602.86 and 2,028,291.13
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Solution
The fourth proportional to 3,682,465.94, 5,081,602.86 and 2,028,291.13 is: 2,798,931.53
Step by Step Solution
- Step 1: Write the proportion equation
3,682,465.94 : 5,081,602.86 = 2,028,291.13 : x - Step 2: Convert to fraction form
3,682,465.94/5,081,602.86 = 2,028,291.13/x - Step 3: Cross multiply
3,682,465.94x = 5,081,602.86 × 2,028,291.13 - Step 4: Simplify right side
3,682,465.94x = 10,306,970,019,177.21 - Step 5: Solve for x
x = 10,306,970,019,177.21/3,682,465.94 - Step 6: Final answer
x = 2,798,931.53
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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.