Finding the Fourth Proportional to 4,699,202.76, 7,051,145.58 and 1,861,360.20
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Solution
The fourth proportional to 4,699,202.76, 7,051,145.58 and 1,861,360.20 is: 2,792,967.75
Step by Step Solution
- Step 1: Write the proportion equation
4,699,202.76 : 7,051,145.58 = 1,861,360.20 : x - Step 2: Convert to fraction form
4,699,202.76/7,051,145.58 = 1,861,360.20/x - Step 3: Cross multiply
4,699,202.76x = 7,051,145.58 × 1,861,360.20 - Step 4: Simplify right side
4,699,202.76x = 13,124,721,747,017.92 - Step 5: Solve for x
x = 13,124,721,747,017.92/4,699,202.76 - Step 6: Final answer
x = 2,792,967.75
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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.