Finding the Fourth Proportional to 2,395,856.88, 3,305,892.54 and 1,415,659.62
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Solution
The fourth proportional to 2,395,856.88, 3,305,892.54 and 1,415,659.62 is: 1,953,379.86
Step by Step Solution
- Step 1: Write the proportion equation
2,395,856.88 : 3,305,892.54 = 1,415,659.62 : x - Step 2: Convert to fraction form
2,395,856.88/3,305,892.54 = 1,415,659.62/x - Step 3: Cross multiply
2,395,856.88x = 3,305,892.54 × 1,415,659.62 - Step 4: Simplify right side
2,395,856.88x = 4,680,018,576,937.24 - Step 5: Solve for x
x = 4,680,018,576,937.24/2,395,856.88 - Step 6: Final answer
x = 1,953,379.86
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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.