Finding the Fourth Proportional to 1,581,408.99, 2,180,713.23 and 1,352,723.29
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Solution
The fourth proportional to 1,581,408.99, 2,180,713.23 and 1,352,723.29 is: 1,865,362.85
Step by Step Solution
- Step 1: Write the proportion equation
1,581,408.99 : 2,180,713.23 = 1,352,723.29 : x - Step 2: Convert to fraction form
1,581,408.99/2,180,713.23 = 1,352,723.29/x - Step 3: Cross multiply
1,581,408.99x = 2,180,713.23 × 1,352,723.29 - Step 4: Simplify right side
1,581,408.99x = 2,949,901,575,032.13 - Step 5: Solve for x
x = 2,949,901,575,032.13/1,581,408.99 - Step 6: Final answer
x = 1,865,362.85
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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.