Finding the Fourth Proportional to 3,698,777.88, 5,548,615.20 and 1,302,132.06
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Solution
The fourth proportional to 3,698,777.88, 5,548,615.20 and 1,302,132.06 is: 1,953,355.94
Step by Step Solution
- Step 1: Write the proportion equation
3,698,777.88 : 5,548,615.20 = 1,302,132.06 : x - Step 2: Convert to fraction form
3,698,777.88/5,548,615.20 = 1,302,132.06/x - Step 3: Cross multiply
3,698,777.88x = 5,548,615.20 × 1,302,132.06 - Step 4: Simplify right side
3,698,777.88x = 7,225,029,740,523.31 - Step 5: Solve for x
x = 7,225,029,740,523.31/3,698,777.88 - Step 6: Final answer
x = 1,953,355.94
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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.