Finding the Fourth Proportional to 3,596,749.39, 4,963,455.50 and 1,965,121.64
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Solution
The fourth proportional to 3,596,749.39, 4,963,455.50 and 1,965,121.64 is: 2,711,835.81
Step by Step Solution
- Step 1: Write the proportion equation
3,596,749.39 : 4,963,455.50 = 1,965,121.64 : x - Step 2: Convert to fraction form
3,596,749.39/4,963,455.50 = 1,965,121.64/x - Step 3: Cross multiply
3,596,749.39x = 4,963,455.50 × 1,965,121.64 - Step 4: Simplify right side
3,596,749.39x = 9,753,793,798,818.09 - Step 5: Solve for x
x = 9,753,793,798,818.09/3,596,749.39 - Step 6: Final answer
x = 2,711,835.81
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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.