Finding the Fourth Proportional to 4,543,940.13, 6,270,654.98 and 2,479,002.06
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Solution
The fourth proportional to 4,543,940.13, 6,270,654.98 and 2,479,002.06 is: 3,421,032.45
Step by Step Solution
- Step 1: Write the proportion equation
4,543,940.13 : 6,270,654.98 = 2,479,002.06 : x - Step 2: Convert to fraction form
4,543,940.13/6,270,654.98 = 2,479,002.06/x - Step 3: Cross multiply
4,543,940.13x = 6,270,654.98 × 2,479,002.06 - Step 4: Simplify right side
4,543,940.13x = 15,544,966,612,969.26 - Step 5: Solve for x
x = 15,544,966,612,969.26/4,543,940.13 - Step 6: Final answer
x = 3,421,032.45
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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.