Finding the Fourth Proportional to 4,036,470.48, 5,571,678.78 and 2,405,389.68
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Solution
The fourth proportional to 4,036,470.48, 5,571,678.78 and 2,405,389.68 is: 3,320,241.95
Step by Step Solution
- Step 1: Write the proportion equation
4,036,470.48 : 5,571,678.78 = 2,405,389.68 : x - Step 2: Convert to fraction form
4,036,470.48/5,571,678.78 = 2,405,389.68/x - Step 3: Cross multiply
4,036,470.48x = 5,571,678.78 × 2,405,389.68 - Step 4: Simplify right side
4,036,470.48x = 13,402,058,637,686.99 - Step 5: Solve for x
x = 13,402,058,637,686.99/4,036,470.48 - Step 6: Final answer
x = 3,320,241.95
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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.