Finding the Fourth Proportional to 5,432,564.09, 8,148,847.66 and 2,020,404.87
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Solution
The fourth proportional to 5,432,564.09, 8,148,847.66 and 2,020,404.87 is: 3,030,607.87
Step by Step Solution
- Step 1: Write the proportion equation
5,432,564.09 : 8,148,847.66 = 2,020,404.87 : x - Step 2: Convert to fraction form
5,432,564.09/8,148,847.66 = 2,020,404.87/x - Step 3: Cross multiply
5,432,564.09x = 8,148,847.66 × 2,020,404.87 - Step 4: Simplify right side
5,432,564.09x = 16,463,971,492,101.09 - Step 5: Solve for x
x = 16,463,971,492,101.09/5,432,564.09 - Step 6: Final answer
x = 3,030,607.87
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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.