Finding the Fourth Proportional to 4,786,116.12, 6,604,860.78 and 2,610,706.68
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Solution
The fourth proportional to 4,786,116.12, 6,604,860.78 and 2,610,706.68 is: 3,602,786.42
Step by Step Solution
- Step 1: Write the proportion equation
4,786,116.12 : 6,604,860.78 = 2,610,706.68 : x - Step 2: Convert to fraction form
4,786,116.12/6,604,860.78 = 2,610,706.68/x - Step 3: Cross multiply
4,786,116.12x = 6,604,860.78 × 2,610,706.68 - Step 4: Simplify right side
4,786,116.12x = 17,243,354,158,816.01 - Step 5: Solve for x
x = 17,243,354,158,816.01/4,786,116.12 - Step 6: Final answer
x = 3,602,786.42
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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.