Finding the Fourth Proportional to 2,554,416.24, 3,521,431.62 and 2,009,605.98
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Solution
The fourth proportional to 2,554,416.24, 3,521,431.62 and 2,009,605.98 is: 2,770,374.67
Step by Step Solution
- Step 1: Write the proportion equation
2,554,416.24 : 3,521,431.62 = 2,009,605.98 : x - Step 2: Convert to fraction form
2,554,416.24/3,521,431.62 = 2,009,605.98/x - Step 3: Cross multiply
2,554,416.24x = 3,521,431.62 × 2,009,605.98 - Step 4: Simplify right side
2,554,416.24x = 7,076,690,041,713.09 - Step 5: Solve for x
x = 7,076,690,041,713.09/2,554,416.24 - Step 6: Final answer
x = 2,770,374.67
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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.