Finding the Fourth Proportional to 3,239,221.70, 4,470,125.97 and 1,881,182.18
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Solution
The fourth proportional to 3,239,221.70, 4,470,125.97 and 1,881,182.18 is: 2,596,031.42
Step by Step Solution
- Step 1: Write the proportion equation
3,239,221.70 : 4,470,125.97 = 1,881,182.18 : x - Step 2: Convert to fraction form
3,239,221.70/4,470,125.97 = 1,881,182.18/x - Step 3: Cross multiply
3,239,221.70x = 4,470,125.97 × 1,881,182.18 - Step 4: Simplify right side
3,239,221.70x = 8,409,121,294,768.58 - Step 5: Solve for x
x = 8,409,121,294,768.58/3,239,221.70 - Step 6: Final answer
x = 2,596,031.42
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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.