Finding the Fourth Proportional to 5,620,445.56, 8,430,689.94 and 1,360,606.96
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Solution
The fourth proportional to 5,620,445.56, 8,430,689.94 and 1,360,606.96 is: 2,040,915.67
Step by Step Solution
- Step 1: Write the proportion equation
5,620,445.56 : 8,430,689.94 = 1,360,606.96 : x - Step 2: Convert to fraction form
5,620,445.56/8,430,689.94 = 1,360,606.96/x - Step 3: Cross multiply
5,620,445.56x = 8,430,689.94 × 1,360,606.96 - Step 4: Simplify right side
5,620,445.56x = 11,470,855,409,965.98 - Step 5: Solve for x
x = 11,470,855,409,965.98/5,620,445.56 - Step 6: Final answer
x = 2,040,915.67
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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.