Finding the Fourth Proportional to 2,686,701.91, 3,706,674.93 and 1,524,475.12
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Solution
The fourth proportional to 2,686,701.91, 3,706,674.93 and 1,524,475.12 is: 2,103,223.17
Step by Step Solution
- Step 1: Write the proportion equation
2,686,701.91 : 3,706,674.93 = 1,524,475.12 : x - Step 2: Convert to fraction form
2,686,701.91/3,706,674.93 = 1,524,475.12/x - Step 3: Cross multiply
2,686,701.91x = 3,706,674.93 × 1,524,475.12 - Step 4: Simplify right side
2,686,701.91x = 5,650,733,708,712.74 - Step 5: Solve for x
x = 5,650,733,708,712.74/2,686,701.91 - Step 6: Final answer
x = 2,103,223.17
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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.