Finding the Fourth Proportional to 2,019,738.06, 2,786,895.99 and 1,203,927.12
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Solution
The fourth proportional to 2,019,738.06, 2,786,895.99 and 1,203,927.12 is: 1,661,215.25
Step by Step Solution
- Step 1: Write the proportion equation
2,019,738.06 : 2,786,895.99 = 1,203,927.12 : x - Step 2: Convert to fraction form
2,019,738.06/2,786,895.99 = 1,203,927.12/x - Step 3: Cross multiply
2,019,738.06x = 2,786,895.99 × 1,203,927.12 - Step 4: Simplify right side
2,019,738.06x = 3,355,219,662,980.25 - Step 5: Solve for x
x = 3,355,219,662,980.25/2,019,738.06 - Step 6: Final answer
x = 1,661,215.25
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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.