Finding the Fourth Proportional to 5,375,995.09, 7,418,869.95 and 2,961,547.09
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Solution
The fourth proportional to 5,375,995.09, 7,418,869.95 and 2,961,547.09 is: 4,086,933.18
Step by Step Solution
- Step 1: Write the proportion equation
5,375,995.09 : 7,418,869.95 = 2,961,547.09 : x - Step 2: Convert to fraction form
5,375,995.09/7,418,869.95 = 2,961,547.09/x - Step 3: Cross multiply
5,375,995.09x = 7,418,869.95 × 2,961,547.09 - Step 4: Simplify right side
5,375,995.09x = 21,971,332,704,069.57 - Step 5: Solve for x
x = 21,971,332,704,069.57/5,375,995.09 - Step 6: Final answer
x = 4,086,933.18
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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.