Finding the Fourth Proportional to 4,369,657.20, 6,554,485.80 and 2,779,270.80
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Solution
The fourth proportional to 4,369,657.20, 6,554,485.80 and 2,779,270.80 is: 4,168,906.20
Step by Step Solution
- Step 1: Write the proportion equation
4,369,657.20 : 6,554,485.80 = 2,779,270.80 : x - Step 2: Convert to fraction form
4,369,657.20/6,554,485.80 = 2,779,270.80/x - Step 3: Cross multiply
4,369,657.20x = 6,554,485.80 × 2,779,270.80 - Step 4: Simplify right side
4,369,657.20x = 18,216,690,992,954.64 - Step 5: Solve for x
x = 18,216,690,992,954.64/4,369,657.20 - Step 6: Final answer
x = 4,168,906.20
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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.