Finding the Fourth Proportional to 1,803,220.75, 2,702,475.99 and 1,375,189.31
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Solution
The fourth proportional to 1,803,220.75, 2,702,475.99 and 1,375,189.31 is: 2,060,987.88
Step by Step Solution
- Step 1: Write the proportion equation
1,803,220.75 : 2,702,475.99 = 1,375,189.31 : x - Step 2: Convert to fraction form
1,803,220.75/2,702,475.99 = 1,375,189.31/x - Step 3: Cross multiply
1,803,220.75x = 2,702,475.99 × 1,375,189.31 - Step 4: Simplify right side
1,803,220.75x = 3,716,416,098,735.86 - Step 5: Solve for x
x = 3,716,416,098,735.86/1,803,220.75 - Step 6: Final answer
x = 2,060,987.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.