Finding the Fourth Proportional to 3,719,970.23, 5,134,119.20 and 2,270,507.96
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Solution
The fourth proportional to 3,719,970.23, 5,134,119.20 and 2,270,507.96 is: 3,133,642.95
Step by Step Solution
- Step 1: Write the proportion equation
3,719,970.23 : 5,134,119.20 = 2,270,507.96 : x - Step 2: Convert to fraction form
3,719,970.23/5,134,119.20 = 2,270,507.96/x - Step 3: Cross multiply
3,719,970.23x = 5,134,119.20 × 2,270,507.96 - Step 4: Simplify right side
3,719,970.23x = 11,657,058,474,165.70 - Step 5: Solve for x
x = 11,657,058,474,165.70/3,719,970.23 - Step 6: Final answer
x = 3,133,642.95
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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.