Finding the Fourth Proportional to 4,821,126.84, 6,653,236.68 and 2,645,872.38
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Solution
The fourth proportional to 4,821,126.84, 6,653,236.68 and 2,645,872.38 is: 3,651,348.69
Step by Step Solution
- Step 1: Write the proportion equation
4,821,126.84 : 6,653,236.68 = 2,645,872.38 : x - Step 2: Convert to fraction form
4,821,126.84/6,653,236.68 = 2,645,872.38/x - Step 3: Cross multiply
4,821,126.84x = 6,653,236.68 × 2,645,872.38 - Step 4: Simplify right side
4,821,126.84x = 17,603,615,169,214.90 - Step 5: Solve for x
x = 17,603,615,169,214.90/4,821,126.84 - Step 6: Final answer
x = 3,651,348.69
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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.