Finding the Fourth Proportional to 2,163,161.24, 2,985,145.08 and 1,196,332.28
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Solution
The fourth proportional to 2,163,161.24, 2,985,145.08 and 1,196,332.28 is: 1,650,928.91
Step by Step Solution
- Step 1: Write the proportion equation
2,163,161.24 : 2,985,145.08 = 1,196,332.28 : x - Step 2: Convert to fraction form
2,163,161.24/2,985,145.08 = 1,196,332.28/x - Step 3: Cross multiply
2,163,161.24x = 2,985,145.08 × 1,196,332.28 - Step 4: Simplify right side
2,163,161.24x = 3,571,225,419,687.18 - Step 5: Solve for x
x = 3,571,225,419,687.18/2,163,161.24 - Step 6: Final answer
x = 1,650,928.91
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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.