Finding the Fourth Proportional to 3,074,880.87, 4,243,367.43 and 1,698,259.14
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Solution
The fourth proportional to 3,074,880.87, 4,243,367.43 and 1,698,259.14 is: 2,343,615.19
Step by Step Solution
- Step 1: Write the proportion equation
3,074,880.87 : 4,243,367.43 = 1,698,259.14 : x - Step 2: Convert to fraction form
3,074,880.87/4,243,367.43 = 1,698,259.14/x - Step 3: Cross multiply
3,074,880.87x = 4,243,367.43 × 1,698,259.14 - Step 4: Simplify right side
3,074,880.87x = 7,206,337,522,375.81 - Step 5: Solve for x
x = 7,206,337,522,375.81/3,074,880.87 - Step 6: Final answer
x = 2,343,615.19
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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.