Finding the Fourth Proportional to 2,028,129.39, 2,798,813.84 and 1,212,293.52
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Solution
The fourth proportional to 2,028,129.39, 2,798,813.84 and 1,212,293.52 is: 1,672,962.23
Step by Step Solution
- Step 1: Write the proportion equation
2,028,129.39 : 2,798,813.84 = 1,212,293.52 : x - Step 2: Convert to fraction form
2,028,129.39/2,798,813.84 = 1,212,293.52/x - Step 3: Cross multiply
2,028,129.39x = 2,798,813.84 × 1,212,293.52 - Step 4: Simplify right side
2,028,129.39x = 3,392,983,875,856.85 - Step 5: Solve for x
x = 3,392,983,875,856.85/2,028,129.39 - Step 6: Final answer
x = 1,672,962.23
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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.