Finding the Fourth Proportional to 5,554,674.41, 7,665,088.79 and 3,106,860.89
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Solution
The fourth proportional to 5,554,674.41, 7,665,088.79 and 3,106,860.89 is: 4,287,265.61
Step by Step Solution
- Step 1: Write the proportion equation
5,554,674.41 : 7,665,088.79 = 3,106,860.89 : x - Step 2: Convert to fraction form
5,554,674.41/7,665,088.79 = 3,106,860.89/x - Step 3: Cross multiply
5,554,674.41x = 7,665,088.79 × 3,106,860.89 - Step 4: Simplify right side
5,554,674.41x = 23,814,364,549,470.13 - Step 5: Solve for x
x = 23,814,364,549,470.13/5,554,674.41 - Step 6: Final answer
x = 4,287,265.61
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1.5x scale
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.