Finding the Fourth Proportional to 4,114,289.76, 6,171,840.48 and 1,418,259.84
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Solution
The fourth proportional to 4,114,289.76, 6,171,840.48 and 1,418,259.84 is: 2,127,529.66
Step by Step Solution
- Step 1: Write the proportion equation
4,114,289.76 : 6,171,840.48 = 1,418,259.84 : x - Step 2: Convert to fraction form
4,114,289.76/6,171,840.48 = 1,418,259.84/x - Step 3: Cross multiply
4,114,289.76x = 6,171,840.48 × 1,418,259.84 - Step 4: Simplify right side
4,114,289.76x = 8,753,273,491,670.32 - Step 5: Solve for x
x = 8,753,273,491,670.32/4,114,289.76 - Step 6: Final answer
x = 2,127,529.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.