Finding the Fourth Proportional to 2,442,720.79, 3,664,112.34 and 645,588.73
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Solution
The fourth proportional to 2,442,720.79, 3,664,112.34 and 645,588.73 is: 968,391.33
Step by Step Solution
- Step 1: Write the proportion equation
2,442,720.79 : 3,664,112.34 = 645,588.73 : x - Step 2: Convert to fraction form
2,442,720.79/3,664,112.34 = 645,588.73/x - Step 3: Cross multiply
2,442,720.79x = 3,664,112.34 × 645,588.73 - Step 4: Simplify right side
2,442,720.79x = 2,365,509,632,157.93 - Step 5: Solve for x
x = 2,365,509,632,157.93/2,442,720.79 - Step 6: Final answer
x = 968,391.33
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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.