Finding the Fourth Proportional to 4,276,644.11, 6,415,923.58 and 1,436,678.81
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Solution
The fourth proportional to 4,276,644.11, 6,415,923.58 and 1,436,678.81 is: 2,155,339.85
Step by Step Solution
- Step 1: Write the proportion equation
4,276,644.11 : 6,415,923.58 = 1,436,678.81 : x - Step 2: Convert to fraction form
4,276,644.11/6,415,923.58 = 1,436,678.81/x - Step 3: Cross multiply
4,276,644.11x = 6,415,923.58 × 1,436,678.81 - Step 4: Simplify right side
4,276,644.11x = 9,217,621,453,965.34 - Step 5: Solve for x
x = 9,217,621,453,965.34/4,276,644.11 - Step 6: Final answer
x = 2,155,339.85
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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.