Finding the Fourth Proportional to 5,609,993.50, 8,416,389.93 and 1,620,905.50
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Solution
The fourth proportional to 5,609,993.50, 8,416,389.93 and 1,620,905.50 is: 2,431,762.66
Step by Step Solution
- Step 1: Write the proportion equation
5,609,993.50 : 8,416,389.93 = 1,620,905.50 : x - Step 2: Convert to fraction form
5,609,993.50/8,416,389.93 = 1,620,905.50/x - Step 3: Cross multiply
5,609,993.50x = 8,416,389.93 × 1,620,905.50 - Step 4: Simplify right side
5,609,993.50x = 13,642,172,727,681.62 - Step 5: Solve for x
x = 13,642,172,727,681.62/5,609,993.50 - Step 6: Final answer
x = 2,431,762.66
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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.