Finding the Fourth Proportional to 3,828,326.35, 5,283,325.70 and 2,109,446.41
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Solution
The fourth proportional to 3,828,326.35, 5,283,325.70 and 2,109,446.41 is: 2,911,165.72
Step by Step Solution
- Step 1: Write the proportion equation
3,828,326.35 : 5,283,325.70 = 2,109,446.41 : x - Step 2: Convert to fraction form
3,828,326.35/5,283,325.70 = 2,109,446.41/x - Step 3: Cross multiply
3,828,326.35x = 5,283,325.70 × 2,109,446.41 - Step 4: Simplify right side
3,828,326.35x = 11,144,892,430,725.74 - Step 5: Solve for x
x = 11,144,892,430,725.74/3,828,326.35 - Step 6: Final answer
x = 2,911,165.72
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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.