Finding the Fourth Proportional to 5,620,281.67, 8,430,720.81 and 1,782,406.54
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Solution
The fourth proportional to 5,620,281.67, 8,430,720.81 and 1,782,406.54 is: 2,673,704.41
Step by Step Solution
- Step 1: Write the proportion equation
5,620,281.67 : 8,430,720.81 = 1,782,406.54 : x - Step 2: Convert to fraction form
5,620,281.67/8,430,720.81 = 1,782,406.54/x - Step 3: Cross multiply
5,620,281.67x = 8,430,720.81 × 1,782,406.54 - Step 4: Simplify right side
5,620,281.67x = 15,026,971,908,658.10 - Step 5: Solve for x
x = 15,026,971,908,658.10/5,620,281.67 - Step 6: Final answer
x = 2,673,704.41
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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.