Finding the Fourth Proportional to 2,308,961.68, 3,184,304.28 and 1,449,602.08
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Solution
The fourth proportional to 2,308,961.68, 3,184,304.28 and 1,449,602.08 is: 1,999,155.79
Step by Step Solution
- Step 1: Write the proportion equation
2,308,961.68 : 3,184,304.28 = 1,449,602.08 : x - Step 2: Convert to fraction form
2,308,961.68/3,184,304.28 = 1,449,602.08/x - Step 3: Cross multiply
2,308,961.68x = 3,184,304.28 × 1,449,602.08 - Step 4: Simplify right side
2,308,961.68x = 4,615,974,107,640.90 - Step 5: Solve for x
x = 4,615,974,107,640.90/2,308,961.68 - Step 6: Final answer
x = 1,999,155.79
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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.