Finding the Fourth Proportional to 3,206,670.84, 4,425,206.31 and 1,756,418.18
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Solution
The fourth proportional to 3,206,670.84, 4,425,206.31 and 1,756,418.18 is: 2,423,857.38
Step by Step Solution
- Step 1: Write the proportion equation
3,206,670.84 : 4,425,206.31 = 1,756,418.18 : x - Step 2: Convert to fraction form
3,206,670.84/4,425,206.31 = 1,756,418.18/x - Step 3: Cross multiply
3,206,670.84x = 4,425,206.31 × 1,756,418.18 - Step 4: Simplify right side
3,206,670.84x = 7,772,512,791,008.68 - Step 5: Solve for x
x = 7,772,512,791,008.68/3,206,670.84 - Step 6: Final answer
x = 2,423,857.38
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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.