Finding the Fourth Proportional to 5,450,897.80, 8,169,348.30 and 4,182,437.80
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Solution
The fourth proportional to 5,450,897.80, 8,169,348.30 and 4,182,437.80 is: 6,268,286.87
Step by Step Solution
- Step 1: Write the proportion equation
5,450,897.80 : 8,169,348.30 = 4,182,437.80 : x - Step 2: Convert to fraction form
5,450,897.80/8,169,348.30 = 4,182,437.80/x - Step 3: Cross multiply
5,450,897.80x = 8,169,348.30 × 4,182,437.80 - Step 4: Simplify right side
5,450,897.80x = 34,167,791,131,285.74 - Step 5: Solve for x
x = 34,167,791,131,285.74/5,450,897.80 - Step 6: Final answer
x = 6,268,286.87
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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.