Finding the Fourth Proportional to 3,828,354.24, 5,283,364.80 and 2,109,474.48
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Solution
The fourth proportional to 3,828,354.24, 5,283,364.80 and 2,109,474.48 is: 2,911,204.79
Step by Step Solution
- Step 1: Write the proportion equation
3,828,354.24 : 5,283,364.80 = 2,109,474.48 : x - Step 2: Convert to fraction form
3,828,354.24/5,283,364.80 = 2,109,474.48/x - Step 3: Cross multiply
3,828,354.24x = 5,283,364.80 × 2,109,474.48 - Step 4: Simplify right side
3,828,354.24x = 11,145,123,214,130.30 - Step 5: Solve for x
x = 11,145,123,214,130.30/3,828,354.24 - Step 6: Final answer
x = 2,911,204.79
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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.