Finding the Fourth Proportional to 2,693,998.40, 3,718,930.20 and 1,776,771.68
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Solution
The fourth proportional to 2,693,998.40, 3,718,930.20 and 1,776,771.68 is: 2,452,744.54
Step by Step Solution
- Step 1: Write the proportion equation
2,693,998.40 : 3,718,930.20 = 1,776,771.68 : x - Step 2: Convert to fraction form
2,693,998.40/3,718,930.20 = 1,776,771.68/x - Step 3: Cross multiply
2,693,998.40x = 3,718,930.20 × 1,776,771.68 - Step 4: Simplify right side
2,693,998.40x = 6,607,689,859,256.74 - Step 5: Solve for x
x = 6,607,689,859,256.74/2,693,998.40 - Step 6: Final answer
x = 2,452,744.54
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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.