Finding the Fourth Proportional to 4,430,722.43, 6,647,265.09 and 1,590,859.19
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Solution
The fourth proportional to 4,430,722.43, 6,647,265.09 and 1,590,859.19 is: 2,386,712.99
Step by Step Solution
- Step 1: Write the proportion equation
4,430,722.43 : 6,647,265.09 = 1,590,859.19 : x - Step 2: Convert to fraction form
4,430,722.43/6,647,265.09 = 1,590,859.19/x - Step 3: Cross multiply
4,430,722.43x = 6,647,265.09 × 1,590,859.19 - Step 4: Simplify right side
4,430,722.43x = 10,574,862,756,792.68 - Step 5: Solve for x
x = 10,574,862,756,792.68/4,430,722.43 - Step 6: Final answer
x = 2,386,712.99
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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.