Finding the Fourth Proportional to 6,419,051.26, 9,612,605.08 and 4,490,935.33
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Solution
The fourth proportional to 6,419,051.26, 9,612,605.08 and 4,490,935.33 is: 6,725,228.70
Step by Step Solution
- Step 1: Write the proportion equation
6,419,051.26 : 9,612,605.08 = 4,490,935.33 : x - Step 2: Convert to fraction form
6,419,051.26/9,612,605.08 = 4,490,935.33/x - Step 3: Cross multiply
6,419,051.26x = 9,612,605.08 × 4,490,935.33 - Step 4: Simplify right side
6,419,051.26x = 43,169,587,759,487.24 - Step 5: Solve for x
x = 43,169,587,759,487.24/6,419,051.26 - Step 6: Final answer
x = 6,725,228.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.