Finding the Fourth Proportional to 4,315,429.56, 6,440,330.67 and 3,837,145.08
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Solution
The fourth proportional to 4,315,429.56, 6,440,330.67 and 3,837,145.08 is: 5,726,540.73
Step by Step Solution
- Step 1: Write the proportion equation
4,315,429.56 : 6,440,330.67 = 3,837,145.08 : x - Step 2: Convert to fraction form
4,315,429.56/6,440,330.67 = 3,837,145.08/x - Step 3: Cross multiply
4,315,429.56x = 6,440,330.67 × 3,837,145.08 - Step 4: Simplify right side
4,315,429.56x = 24,712,483,143,963.61 - Step 5: Solve for x
x = 24,712,483,143,963.61/4,315,429.56 - Step 6: Final answer
x = 5,726,540.73
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.