Finding the Fourth Proportional to 2,195,722.79, 3,030,415.67 and 1,265,249.51
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Solution
The fourth proportional to 2,195,722.79, 3,030,415.67 and 1,265,249.51 is: 1,746,227.69
Step by Step Solution
- Step 1: Write the proportion equation
2,195,722.79 : 3,030,415.67 = 1,265,249.51 : x - Step 2: Convert to fraction form
2,195,722.79/3,030,415.67 = 1,265,249.51/x - Step 3: Cross multiply
2,195,722.79x = 3,030,415.67 × 1,265,249.51 - Step 4: Simplify right side
2,195,722.79x = 3,834,231,941,563.82 - Step 5: Solve for x
x = 3,834,231,941,563.82/2,195,722.79 - Step 6: Final answer
x = 1,746,227.69
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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.