Finding the Fourth Proportional to 4,356,739.16, 6,533,722.24 and 1,438,288.62
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Solution
The fourth proportional to 4,356,739.16, 6,533,722.24 and 1,438,288.62 is: 2,156,975.21
Step by Step Solution
- Step 1: Write the proportion equation
4,356,739.16 : 6,533,722.24 = 1,438,288.62 : x - Step 2: Convert to fraction form
4,356,739.16/6,533,722.24 = 1,438,288.62/x - Step 3: Cross multiply
4,356,739.16x = 6,533,722.24 × 1,438,288.62 - Step 4: Simplify right side
4,356,739.16x = 9,397,378,344,032.91 - Step 5: Solve for x
x = 9,397,378,344,032.91/4,356,739.16 - Step 6: Final answer
x = 2,156,975.21
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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.