Finding the Fourth Proportional to 2,311,201.54, 3,190,479.65 and 1,381,237.37
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Solution
The fourth proportional to 2,311,201.54, 3,190,479.65 and 1,381,237.37 is: 1,906,718.06
Step by Step Solution
- Step 1: Write the proportion equation
2,311,201.54 : 3,190,479.65 = 1,381,237.37 : x - Step 2: Convert to fraction form
2,311,201.54/3,190,479.65 = 1,381,237.37/x - Step 3: Cross multiply
2,311,201.54x = 3,190,479.65 × 1,381,237.37 - Step 4: Simplify right side
2,311,201.54x = 4,406,809,731,832.56 - Step 5: Solve for x
x = 4,406,809,731,832.56/2,311,201.54 - Step 6: Final answer
x = 1,906,718.06
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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.