Finding the Fourth Proportional to 4,247,315.15, 5,861,430.20 and 2,313,637.79
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Solution
The fourth proportional to 4,247,315.15, 5,861,430.20 and 2,313,637.79 is: 3,192,893.85
Step by Step Solution
- Step 1: Write the proportion equation
4,247,315.15 : 5,861,430.20 = 2,313,637.79 : x - Step 2: Convert to fraction form
4,247,315.15/5,861,430.20 = 2,313,637.79/x - Step 3: Cross multiply
4,247,315.15x = 5,861,430.20 × 2,313,637.79 - Step 4: Simplify right side
4,247,315.15x = 13,561,226,390,644.20 - Step 5: Solve for x
x = 13,561,226,390,644.20/4,247,315.15 - Step 6: Final answer
x = 3,192,893.85
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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.