Finding the Fourth Proportional to 4,917,750.14, 6,786,978.99 and 2,983,858.94
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Solution
The fourth proportional to 4,917,750.14, 6,786,978.99 and 2,983,858.94 is: 4,118,018.88
Step by Step Solution
- Step 1: Write the proportion equation
4,917,750.14 : 6,786,978.99 = 2,983,858.94 : x - Step 2: Convert to fraction form
4,917,750.14/6,786,978.99 = 2,983,858.94/x - Step 3: Cross multiply
4,917,750.14x = 6,786,978.99 × 2,983,858.94 - Step 4: Simplify right side
4,917,750.14x = 20,251,387,934,903.67 - Step 5: Solve for x
x = 20,251,387,934,903.67/4,917,750.14 - Step 6: Final answer
x = 4,118,018.88
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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.