Finding the Fourth Proportional to 3,762,027.19, 5,191,917.70 and 2,130,724.75
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Solution
The fourth proportional to 3,762,027.19, 5,191,917.70 and 2,130,724.75 is: 2,940,581.50
Step by Step Solution
- Step 1: Write the proportion equation
3,762,027.19 : 5,191,917.70 = 2,130,724.75 : x - Step 2: Convert to fraction form
3,762,027.19/5,191,917.70 = 2,130,724.75/x - Step 3: Cross multiply
3,762,027.19x = 5,191,917.70 × 2,130,724.75 - Step 4: Simplify right side
3,762,027.19x = 11,062,547,543,353.08 - Step 5: Solve for x
x = 11,062,547,543,353.08/3,762,027.19 - Step 6: Final answer
x = 2,940,581.50
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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.