Finding the Fourth Proportional to 2,028,134.70, 2,798,826.48 and 1,122,716.70
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Solution
The fourth proportional to 2,028,134.70, 2,798,826.48 and 1,122,716.70 is: 1,549,349.37
Step by Step Solution
- Step 1: Write the proportion equation
2,028,134.70 : 2,798,826.48 = 1,122,716.70 : x - Step 2: Convert to fraction form
2,028,134.70/2,798,826.48 = 1,122,716.70/x - Step 3: Cross multiply
2,028,134.70x = 2,798,826.48 × 1,122,716.70 - Step 4: Simplify right side
2,028,134.70x = 3,142,289,229,498.22 - Step 5: Solve for x
x = 3,142,289,229,498.22/2,028,134.70 - Step 6: Final answer
x = 1,549,349.37
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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.