Finding the Fourth Proportional to 4,163,734.24, 5,749,209.84 and 3,195,330.64
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Solution
The fourth proportional to 4,163,734.24, 5,749,209.84 and 3,195,330.64 is: 4,412,055.45
Step by Step Solution
- Step 1: Write the proportion equation
4,163,734.24 : 5,749,209.84 = 3,195,330.64 : x - Step 2: Convert to fraction form
4,163,734.24/5,749,209.84 = 3,195,330.64/x - Step 3: Cross multiply
4,163,734.24x = 5,749,209.84 × 3,195,330.64 - Step 4: Simplify right side
4,163,734.24x = 18,370,626,357,541.50 - Step 5: Solve for x
x = 18,370,626,357,541.50/4,163,734.24 - Step 6: Final answer
x = 4,412,055.45
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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.