Finding the Fourth Proportional to 4,109,860.62, 5,673,888.16 and 2,478,683.06
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Solution
The fourth proportional to 4,109,860.62, 5,673,888.16 and 2,478,683.06 is: 3,421,958.01
Step by Step Solution
- Step 1: Write the proportion equation
4,109,860.62 : 5,673,888.16 = 2,478,683.06 : x - Step 2: Convert to fraction form
4,109,860.62/5,673,888.16 = 2,478,683.06/x - Step 3: Cross multiply
4,109,860.62x = 5,673,888.16 × 2,478,683.06 - Step 4: Simplify right side
4,109,860.62x = 14,063,770,466,526.57 - Step 5: Solve for x
x = 14,063,770,466,526.57/4,109,860.62 - Step 6: Final answer
x = 3,421,958.01
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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.