Finding the Fourth Proportional to 5,570,652.29, 7,688,867.49 and 3,396,394.19
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Solution
The fourth proportional to 5,570,652.29, 7,688,867.49 and 3,396,394.19 is: 4,687,857.64
Step by Step Solution
- Step 1: Write the proportion equation
5,570,652.29 : 7,688,867.49 = 3,396,394.19 : x - Step 2: Convert to fraction form
5,570,652.29/7,688,867.49 = 3,396,394.19/x - Step 3: Cross multiply
5,570,652.29x = 7,688,867.49 × 3,396,394.19 - Step 4: Simplify right side
5,570,652.29x = 26,114,424,889,938.05 - Step 5: Solve for x
x = 26,114,424,889,938.05/5,570,652.29 - Step 6: Final answer
x = 4,687,857.64
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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.