Finding the Fourth Proportional to 2,786,729.04, 3,845,378.58 and 1,562,782.70
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Solution
The fourth proportional to 2,786,729.04, 3,845,378.58 and 1,562,782.70 is: 2,156,467.68
Step by Step Solution
- Step 1: Write the proportion equation
2,786,729.04 : 3,845,378.58 = 1,562,782.70 : x - Step 2: Convert to fraction form
2,786,729.04/3,845,378.58 = 1,562,782.70/x - Step 3: Cross multiply
2,786,729.04x = 3,845,378.58 × 1,562,782.70 - Step 4: Simplify right side
2,786,729.04x = 6,009,491,119,774.57 - Step 5: Solve for x
x = 6,009,491,119,774.57/2,786,729.04 - Step 6: Final answer
x = 2,156,467.68
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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.