Finding the Fourth Proportional to 2,221,901.68, 3,066,473.67 and 1,255,094.23
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Solution
The fourth proportional to 2,221,901.68, 3,066,473.67 and 1,255,094.23 is: 1,732,170.89
Step by Step Solution
- Step 1: Write the proportion equation
2,221,901.68 : 3,066,473.67 = 1,255,094.23 : x - Step 2: Convert to fraction form
2,221,901.68/3,066,473.67 = 1,255,094.23/x - Step 3: Cross multiply
2,221,901.68x = 3,066,473.67 × 1,255,094.23 - Step 4: Simplify right side
2,221,901.68x = 3,848,713,409,663.92 - Step 5: Solve for x
x = 3,848,713,409,663.92/2,221,901.68 - Step 6: Final answer
x = 1,732,170.89
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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.