Finding the Fourth Proportional to 5,430,899.37, 8,153,468.65 and 3,641,788.48
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Solution
The fourth proportional to 5,430,899.37, 8,153,468.65 and 3,641,788.48 is: 5,467,456.89
Step by Step Solution
- Step 1: Write the proportion equation
5,430,899.37 : 8,153,468.65 = 3,641,788.48 : x - Step 2: Convert to fraction form
5,430,899.37/8,153,468.65 = 3,641,788.48/x - Step 3: Cross multiply
5,430,899.37x = 8,153,468.65 × 3,641,788.48 - Step 4: Simplify right side
5,430,899.37x = 29,693,208,192,506.68 - Step 5: Solve for x
x = 29,693,208,192,506.68/5,430,899.37 - Step 6: Final answer
x = 5,467,456.89
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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.