Finding the Fourth Proportional to 1,459,860.62, 1,999,975.80 and 1,405,278.80
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Solution
The fourth proportional to 1,459,860.62, 1,999,975.80 and 1,405,278.80 is: 1,925,199.94
Step by Step Solution
- Step 1: Write the proportion equation
1,459,860.62 : 1,999,975.80 = 1,405,278.80 : x - Step 2: Convert to fraction form
1,459,860.62/1,999,975.80 = 1,405,278.80/x - Step 3: Cross multiply
1,459,860.62x = 1,999,975.80 × 1,405,278.80 - Step 4: Simplify right side
1,459,860.62x = 2,810,523,585,226.65 - Step 5: Solve for x
x = 2,810,523,585,226.65/1,459,860.62 - Step 6: Final answer
x = 1,925,199.94
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.