Finding the Fourth Proportional to 2,299,305.02, 3,172,889.07 and 1,380,988.49
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Solution
The fourth proportional to 2,299,305.02, 3,172,889.07 and 1,380,988.49 is: 1,905,672.91
Step by Step Solution
- Step 1: Write the proportion equation
2,299,305.02 : 3,172,889.07 = 1,380,988.49 : x - Step 2: Convert to fraction form
2,299,305.02/3,172,889.07 = 1,380,988.49/x - Step 3: Cross multiply
2,299,305.02x = 3,172,889.07 × 1,380,988.49 - Step 4: Simplify right side
2,299,305.02x = 4,381,723,269,852.36 - Step 5: Solve for x
x = 4,381,723,269,852.36/2,299,305.02 - Step 6: Final answer
x = 1,905,672.91
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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.