Finding the Fourth Proportional to 1,753,965.20, 2,632,916.10 and 1,356,368.60
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Solution
The fourth proportional to 1,753,965.20, 2,632,916.10 and 1,356,368.60 is: 2,036,075.02
Step by Step Solution
- Step 1: Write the proportion equation
1,753,965.20 : 2,632,916.10 = 1,356,368.60 : x - Step 2: Convert to fraction form
1,753,965.20/2,632,916.10 = 1,356,368.60/x - Step 3: Cross multiply
1,753,965.20x = 2,632,916.10 × 1,356,368.60 - Step 4: Simplify right side
1,753,965.20x = 3,571,204,724,474.46 - Step 5: Solve for x
x = 3,571,204,724,474.46/1,753,965.20 - Step 6: Final answer
x = 2,036,075.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.