Finding the Fourth Proportional to 4,023,368.08, 5,552,313.89 and 2,187,862.72
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Solution
The fourth proportional to 4,023,368.08, 5,552,313.89 and 2,187,862.72 is: 3,019,286.41
Step by Step Solution
- Step 1: Write the proportion equation
4,023,368.08 : 5,552,313.89 = 2,187,862.72 : x - Step 2: Convert to fraction form
4,023,368.08/5,552,313.89 = 2,187,862.72/x - Step 3: Cross multiply
4,023,368.08x = 5,552,313.89 × 2,187,862.72 - Step 4: Simplify right side
4,023,368.08x = 12,147,700,544,849.08 - Step 5: Solve for x
x = 12,147,700,544,849.08/4,023,368.08 - Step 6: Final answer
x = 3,019,286.41
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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.