Finding the Fourth Proportional to 1,832,861.70, 2,750,276.70 and 768,011.40
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Solution
The fourth proportional to 1,832,861.70, 2,750,276.70 and 768,011.40 is: 1,152,429.48
Step by Step Solution
- Step 1: Write the proportion equation
1,832,861.70 : 2,750,276.70 = 768,011.40 : x - Step 2: Convert to fraction form
1,832,861.70/2,750,276.70 = 768,011.40/x - Step 3: Cross multiply
1,832,861.70x = 2,750,276.70 × 768,011.40 - Step 4: Simplify right side
1,832,861.70x = 2,112,243,858,754.38 - Step 5: Solve for x
x = 2,112,243,858,754.38/1,832,861.70 - Step 6: Final answer
x = 1,152,429.48
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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.