Finding the Fourth Proportional to 2,135,403.82, 3,203,908.52 and 1,271,337.32
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Solution
The fourth proportional to 2,135,403.82, 3,203,908.52 and 1,271,337.32 is: 1,907,483.94
Step by Step Solution
- Step 1: Write the proportion equation
2,135,403.82 : 3,203,908.52 = 1,271,337.32 : x - Step 2: Convert to fraction form
2,135,403.82/3,203,908.52 = 1,271,337.32/x - Step 3: Cross multiply
2,135,403.82x = 3,203,908.52 × 1,271,337.32 - Step 4: Simplify right side
2,135,403.82x = 4,073,248,479,351.74 - Step 5: Solve for x
x = 4,073,248,479,351.74/2,135,403.82 - Step 6: Final answer
x = 1,907,483.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.