Finding the Fourth Proportional to 5,631,779.39, 8,448,512.11 and 2,038,387.09
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Solution
The fourth proportional to 5,631,779.39, 8,448,512.11 and 2,038,387.09 is: 3,057,885.75
Step by Step Solution
- Step 1: Write the proportion equation
5,631,779.39 : 8,448,512.11 = 2,038,387.09 : x - Step 2: Convert to fraction form
5,631,779.39/8,448,512.11 = 2,038,387.09/x - Step 3: Cross multiply
5,631,779.39x = 8,448,512.11 × 2,038,387.09 - Step 4: Simplify right side
5,631,779.39x = 17,221,337,965,847.61 - Step 5: Solve for x
x = 17,221,337,965,847.61/5,631,779.39 - Step 6: Final answer
x = 3,057,885.75
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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.