Finding the Fourth Proportional to 1,536,811.80, 2,305,217.70 and 790,315.80
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Solution
The fourth proportional to 1,536,811.80, 2,305,217.70 and 790,315.80 is: 1,185,473.70
Step by Step Solution
- Step 1: Write the proportion equation
1,536,811.80 : 2,305,217.70 = 790,315.80 : x - Step 2: Convert to fraction form
1,536,811.80/2,305,217.70 = 790,315.80/x - Step 3: Cross multiply
1,536,811.80x = 2,305,217.70 × 790,315.80 - Step 4: Simplify right side
1,536,811.80x = 1,821,849,970,749.66 - Step 5: Solve for x
x = 1,821,849,970,749.66/1,536,811.80 - Step 6: Final answer
x = 1,185,473.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.