Finding the Fourth Proportional to 6,109,828.38, 8,430,625.80 and 3,531,011.13
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Solution
The fourth proportional to 6,109,828.38, 8,430,625.80 and 3,531,011.13 is: 4,872,253.63
Step by Step Solution
- Step 1: Write the proportion equation
6,109,828.38 : 8,430,625.80 = 3,531,011.13 : x - Step 2: Convert to fraction form
6,109,828.38/8,430,625.80 = 3,531,011.13/x - Step 3: Cross multiply
6,109,828.38x = 8,430,625.80 × 3,531,011.13 - Step 4: Simplify right side
6,109,828.38x = 29,768,633,532,665.16 - Step 5: Solve for x
x = 29,768,633,532,665.16/6,109,828.38 - Step 6: Final answer
x = 4,872,253.63
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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.