Finding the Fourth Proportional to 1,433,643.63, 2,150,462.86 and 423,474.99
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Solution
The fourth proportional to 1,433,643.63, 2,150,462.86 and 423,474.99 is: 635,211.73
Step by Step Solution
- Step 1: Write the proportion equation
1,433,643.63 : 2,150,462.86 = 423,474.99 : x - Step 2: Convert to fraction form
1,433,643.63/2,150,462.86 = 423,474.99/x - Step 3: Cross multiply
1,433,643.63x = 2,150,462.86 × 423,474.99 - Step 4: Simplify right side
1,433,643.63x = 910,667,247,155.48 - Step 5: Solve for x
x = 910,667,247,155.48/1,433,643.63 - Step 6: Final answer
x = 635,211.73
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.